Archaeological site

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Version

Outliner top.png
This article has been verified for the current PC version (3.6) of the game.

Throughout the galaxy are scattered Archaeology map icon.png Archaeological Sites, areas where remains of ancient civilizations have been preserved relatively intact. They can be discovered while surveying, generated at game start, or uncovered a few years after a planet is colonized.

Mechanics[edit | edit source]

Archaeological Site

Most archaeological sites are revealed by surveying, with a 1.23% chance of creating a site, if the celestial body can support one. If a site is created this way, the chance is reduced to 0.25% for 5 years. Unlike anomalies, each time a celestial body is surveyed, a archaeological site can be created. Some archaeological sites are specifically created by anomalies, origins, special projects, other archaeological sites, or events. Most archaeological sites are visible to all empires once discovered, while a few are visible only to the discovering empire. The presence of an archaeological site is visible both in the system and galaxy view with this icon: Archaeology map icon.png. If a system contains more than one archaeological site, clicking the icon on the galaxy view will cycle through the sites.

An archaeological site can have 1-6 Chapters in addition to an introduction chapter. Each chapter has its own narrative and rewards and has to be unlocked before it becomes visible. Chapters are unlocked via Excavation. As long as an archaeological site is within an empire's borders, that empire can task a Science Ship with an assigned scientist to excavate the site. Excavation proceeds in phases, each taking Time 90 days. This time is affected by the following:

Time Excavation Speed Source Modifier
Ancient Relics.png Leader trait archaeologist.png Archaeologist +25%
Leader trait percussive maintenance.png Percussive Maintainer +10%
Leader trait traumatized.png Traumatized −30%
Regular AI empires −50%

At the end of each phase, a die is rolled, resulting in a random number from 1 to 10; adding the current number of clues and the Scientist's archaeology skill (see table below) and subtracting the chapter's difficulty gives the total result, as in the following formula: .

Archaeology Skill Source Bonus
Per Scientist.png Scientist level +1
Leader trait psionic leader.png Psychic +1
Leader trait psionic chosen one.png Chosen One +2
Ancient Relics.png Tech archeology lab.png Curator Archaeology Lab +2

A result of 14 or greater completes the current chapter; a result of 11-13 adds 2 clues for the next phase, a result of 6-10 adds 1 clue, a result of 5 or less adds no clues and can trigger various events, depending on the archaeological site and chapter.

Excavation can be paused and resumed at any time with no penalty. If the system with the archaeological site is gained by another empire, that empire can continue the excavation from the current chapter, but does not gain any rewards from already completed chapters.

Many chapter rewards are a number of Minor artifacts.png minor artifacts; as these are only available with the Ancient Relics.png Ancient Relics DLC, sites which do not require that DLC may have an alternate reward or no reward for chapter without it.

Base game sites[edit | edit source]

The following sites do not require any DLC to be enabled.

Site Chapter 1 rewards Chapter 2 rewards Chapter 3 rewards Chapter 4 rewards Chapter 5 rewards Requirements
Ancient Battle Site
Evt landing ship.png
Minor artifacts.png 1-5 Minor artifacts
Society Research.png 18x society output (350 ~ 100000)
Minor artifacts.png 6-10 Minor artifacts
75% chance
Menu icon technology.png Random Tier 2 Technology[1]
25% chance
Society Research.png 48x society output (1000 ~ 1000000)
No.png No.png No.png Uninhabitable planet
Strange Asteroid
Evt asteroid field.png
Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 6-10 Minor artifacts
75% chance
Menu icon technology.png Random Tier 2 Technology[1]
25% chance
Society Research.png 48x society output (1000 ~ 1000000)
No.png No.png No.png Planet asteroid.png Asteroid
City of Bones
Evt relic world street.png
Minor artifacts.png 5 Minor artifacts Minor artifacts.png 5 Minor artifacts

No.pngAuth machine intelligence.png Empire Rewards

Yes.pngAuth machine intelligence.png Empire Rewards

No.png No.png Planet gaia.png Gaia or Dry planet
Frozen Complex
Evt frozen planet.png
Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts 2 outcomes:
  • Society Research.png 24x society output (500 ~ 1000000)
  • Plasma Accelerators Plasma Accelerators technology progress[2]
No.png No.png Planet frozen.png Frozen
Mutant Fossils
Evt scanning remains.png
Minor artifacts.png 5 Minor artifacts Minor artifacts.png 5 Minor artifacts D metal boneyard.png Mutation Vats Planetary Feature No.png No.png Planet nuked.png Tomb
Ruins
Evt dead city.png
Minor artifacts.png 1-5 Minor artifacts
2 outcomes:
  • Society Research.png 24x society output (500 ~ 1000000)
  • Engineering Research.png 24x engineering output (500 ~ 1000000)
2 outcomes:
  • Society Research.png 24x society output (500 ~ 1000000)
  • Engineering Research.png 24x engineering output (500 ~ 1000000)
Minor artifacts.png 6-10 Minor artifacts
Society Research.png 24x society output (500 ~ 1000000)
Adds lvl 3 anomaly "Alien Site" to a random body in the same system
No.png No.png Uninhabitable planet
Subterranean Hollows
Evt underground civilization.png
Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts Tech colonization 3.png Hostile Environment Adaptation technology[3] No.png No.png Habitable planet
The Endless Expanse
Evt frozen planet.png
Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 10-30 Minor artifacts

choice of:

  • Feature.png Ix Belèn site location
  • Influence.png 500 Influence
No.png Planet frozen.png Frozen
Ix Belèn
Evt gas giant station.png
Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts

choice of:

  • The Memorex modifier on capital
  • Alloys.png 3500 Alloys and Unity.png 2000 Unity
No.png Planet gas giant.png Gas Giant near The Endless Expanse
Seeds of Destruction
Evt frozen planet.png
Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts

and Choice of:

No.png Crash Site anomaly outcome
Message in the Canopy
Tropical planet.png
Society Research.png 12x society output (250 ~ 100000) Physics Research.png 12x physics output (250 ~ 100000) Minor artifacts.png 1 Minor artifacts Choice of:
  • Proceed with caution
  • Uncover the source
    • Minor artifacts.png 1 Minor artifacts
    • Minerals.png 1000 Minerals
    • Rare crystals.png +200 Rare Crystals
No.png Message in the Canopy colony event
Message in a Bottle
Evt frozen planet.png
Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts no rewards no rewards On Solar Sails Anomaly

Unique systems sites[edit | edit source]

The following sites can only be found in certain unique systems

Site Chapter rewards System
Ancient Robot World
Evt ai planet.png
  1. Minor artifacts.png small minor artifacts reward (1, 3, or 5)
  2. Minor artifacts.png small minor artifacts reward (1, 3, or 5)
  3. Minor artifacts.png small minor artifacts reward (1, 3, or 5)
  4. Minor artifacts.png small minor artifacts reward (1, 3, or 5)
  5. Minor artifacts.png large minor artifacts reward (10, 20, or 30) and choice of:
    • Change world to Planet ai.png Machine world and gain Machine unit.png 80 machine pops – only if Auth machine intelligence.png Machine Intelligence
    • Create a fully upgraded Sentry Array
    • Gain Trait mechanical.png 80 robotic pops across random owned colonies – only if Menu icon policies.png Robotic Workers policy is Allowed
    • Add a Alloys.png 25 alloys deposit on the world – only if Spiritualist.pngFanatic Spiritualist.png Spiritualist
    • Create a Auth machine intelligence.png Machine Intelligence subject in system, and change world to Planet ai.png Machine world with Machine unit.png 80 machine pops – only if No.png Spiritualist.pngFanatic Spiritualist.png Spiritualist
Ultima Vigilis
The Crashed Ship
Evt landing ship 2.png
  1. Minor artifacts.png small minor artifacts reward (1, 3, or 5) – without Ancient Relics.png Ancient Relics instead Society Research.png 12x society output (250 ~ 100000)
  2. Minor artifacts.png small minor artifacts reward (1, 3, or 5) – without Ancient Relics.png Ancient Relics instead Society Research.png 12x society output (250 ~ 100000)
  3. Minor artifacts.png small minor artifacts reward (1, 3, or 5) – without Ancient Relics.png Ancient Relics instead Society Research.png 12x society output (250 ~ 100000)
  4. Choice of:
    • Society Research.png 24x society output (500 ~ 1000000) – only option if Civic machine terminator.png Determined Exterminator or No.png Auth machine intelligence.png Machine Intelligence
    • 67% chance[4] to gain a size 25 Planet gaia.png Gaia world; 33% chance to instead lose approximately 10% of empire Pop.png pops and spawn a free Trait mechanical.png robotic empire and the choice to switch to play as that empire.
Zevox
Desiccated
Evt warm barren planet.png

Ancient Relics.png Requires Ancient Relics

  1. Minor artifacts.png small minor artifacts reward (1, 3, or 5)
  2. Minor artifacts.png small minor artifacts reward (1, 3, or 5)
  3. Minor artifacts.png small minor artifacts reward (1, 3, or 5)
  4. Minor artifacts.png small minor artifacts reward (1, 3, or 5)
  5. After 60 days choice of:
    • Mycelial Network empire modifier (Intel decryption.png +1 Codebreaking) and Authoritarian.png +20% Authoritarian Ethics Attraction for 20 years
    • Unity.png 48x unity output (700 ~ 2000000)
Orvall
Never Forget
Evt tomb world.png

Ancient Relics.png Requires Ancient Relics

  1. Minor artifacts.png small minor artifacts reward (1, 3, or 5)
  2. Minor artifacts.png small minor artifacts reward (1, 3, or 5)
  3. A Life Worthwhile empire modifier (Mod pop happiness.png +5% happiness)
Hauer
One Last Hope
Evt ocean planet.png
  1. Minor artifacts.png small minor artifacts reward (1, 3, or 5)
  2. Minor artifacts.png small minor artifacts reward (1, 3, or 5)
  3. Minor artifacts.png small minor artifacts reward (1, 3, or 5)
  4. Minor artifacts.png medium minor artifacts reward (6, 8, or 10) and randomly gain either:
    • Studying Polarian Seeds empire modifier (Research speed (society) +20% Biology Research Speed)
    • Next Tech colonization 2.pngTech colonization 3.pngTech colonization 4.pngTech colonization 5.png habitability technology as research option or Society Research.png 96x society output (2000 ~ 2000000) if Auth machine intelligence.png Machine Intelligence
Polaris
Ruined Star System
Evt tomb world.png
  1. Minor artifacts.png small minor artifacts reward (1, 3, or 5)
  2. Minor artifacts.png small minor artifacts reward (1, 3, or 5)
  3. Minor artifacts.png small minor artifacts reward (1, 3, or 5)
  4. Minor artifacts.png large minor artifacts reward (10, 20, or 30) and gain either:
    • 80% chance – Next Tech terrestrial sculpting.pngTech ecological adaptation.pngTech climate restoration.png terraforming technology and Shallarian Terraforming Knowledge empire modifier (Mod country terraform speed mult.png +20% Terraforming speed and Mod country terraforming cost.png −10% Terraforming cost)
    • 20% chance – Next Tech self aware logic.pngTech sentient ai.pngTech combat computers 3.png artificial intelligence technology, or instead Unity.png 24x unity output (350 ~ 1000000) if Machine unit.pngTrait mechanical.png robotic – always happens if the Fanatic Xenophobe.png Fanatic Xenophobe fallen empire does not exist
Shallash
The Signal
Evt landing ship.png
  1. Minor artifacts.png small minor artifacts reward (1, 3, or 5) – without Ancient Relics.png Ancient Relics instead Engineering Research.png 12x engineering output (250 ~ 100000)
  2. Minor artifacts.png small minor artifacts reward (1, 3, or 5) – without Ancient Relics.png Ancient Relics instead Engineering Research.png 12x engineering output (250 ~ 100000)
  3. Choice of:
    • Engineering Research.png 18x engineering output (350 ~ 100000) and Society Research.png 18x society output (350 ~ 100000) – only option for Xenophobe.pngFanatic Xenophobe.png Xenophobe or Civic fanatic purifiers.pngCivic devouring swarm.pngCivic machine terminator.png Genocidal
    • Local Hive planet modifier on capital (Mod planet amenities mult.png +10% Amenities, Mod planet building build speed mult.png +10% Planetary build speed, and Pop resource food mult.png +10% food from jobs)
    • Diplomacy isvassal.png Larionessi Consciousness unique empire as a vassal
Larionessi Refuge

Origin Sites[edit | edit source]

The following archaeological sites are generated by Origins.

From Gateway Sent[edit | edit source]

The From Gateway Sent archaeological site is discovered by investigating the special project created by the Origins gateway.png Galactic Doorstep origin.

Site Chapter rewards
From Gateway Sent
Evt atmospheric entry.png
  1. Minor artifacts.png small minor artifacts reward (1, 3, or 5)
  2. Minor artifacts.png small minor artifacts reward (1, 3, or 5)
  3. Minor artifacts.png small minor artifacts reward (1, 3, or 5) and Physics Research.png 18x physics output (350 ~ 100000)
  4. Minor artifacts.png small minor artifacts reward (1, 3, or 5) and Engineering Research.png 24x engineering output (500 ~ 1000000)

On the Shoulders of Giants sites[edit | edit source]

The Origins one the shoulders of giant.png On the Shoulders of Giants origin adds a lengthy archaeological site chain in the empire home system. The narration of the last two chapters of the final site is random, but the rewards are always the same.

Site Chapter rewards
Ex Gravitas
Evt cold barren planet.png
  1. Minor artifacts.png small minor artifacts reward (1, 3, or 5)
  2. Minor artifacts.png small minor artifacts reward (1, 3, or 5)
  3. Minor artifacts.png small minor artifacts reward (1, 3, or 5)
  4. Minerals.png 6x minerals output (100 ~ 1000) and Archaeology map icon.png Something Waiting site location
Something Waiting
Evt ship in orbit.png
  1. Minor artifacts.png small minor artifacts reward (1, 3, or 5)
  2. Minor artifacts.png small minor artifacts reward (1, 3, or 5)
  3. Minor artifacts.png small minor artifacts reward (1, 3, or 5)
  4. Minor artifacts.png small minor artifacts reward (1, 3, or 5), Menu icon technology.png random tier 1 technology, and Archaeology map icon.png Buried Deep site location
Buried Deep
Evt ship in orbit.png
  1. Minor artifacts.png small minor artifacts reward (1, 3, or 5)
  2. Minor artifacts.png small minor artifacts reward (1, 3, or 5), Menu icon technology.png random tier 1 technology, and Archaeology map icon.png In Memoriam site location
In Memoriam
Evt ship in orbit.png
  1. Minor artifacts.png small minor artifacts reward (1, 3, or 5)
  2. Minor artifacts.png small minor artifacts reward (1, 3, or 5)
  3. Minor artifacts.png small minor artifacts reward (1, 3, or 5)
  4. Minor artifacts.png small minor artifacts reward (1, 3, or 5), Menu icon technology.png random tier 1 technology, and Archaeology map icon.png The Last Stand site location
The Last Stand
Evt ship in orbit.png
  1. Minor artifacts.png small minor artifacts reward (1, 3, or 5)
  2. Minor artifacts.png small minor artifacts reward (1, 3, or 5)
  3. Minor artifacts.png small minor artifacts reward (1, 3, or 5) and Menu icon technology.png random tier 1 technology
  4. Minor artifacts.png small minor artifacts reward (1, 3, or 5) and Archaeology map icon.png Dark Secret site location
Dark Secret
Evt cold barren planet.png
  1. Minor artifacts.png small minor artifacts reward (1, 3, or 5)
  2. Minor artifacts.png small minor artifacts reward (1, 3, or 5), Minerals.png 24x minerals output (350 ~ 10000), Alloys.png 18x alloys output (250 ~ 5000), and Exotic gases.png 18x exotic gases output (250 ~ 5000)
  3. Minor artifacts.png small minor artifacts reward (1, 3, or 5)
  4. Minor artifacts.png small minor artifacts reward (1, 3, or 5), Mod pop happiness.png Spurred by the Past empire modifier
    • Archaeology map icon.png Once the Mid-Game year is reached, an event chain triggers to unlock either Benign Cover-Up or Bury The Hatchet site location
Benign Cover-Up
Evt cold barren planet.png
  1. Minor artifacts.png small minor artifacts reward (1, 3, or 5)
  2. Minor artifacts.png small minor artifacts reward (1, 3, or 5) and replace Spurred by the Past with Mod pop happiness.png Full Circle empire modifier
Bury The Hatchet
Evt cold barren planet.png
  1. Minor artifacts.png small minor artifacts reward (1, 3, or 5)
  2. Minor artifacts.png small minor artifacts reward (1, 3, or 5) and replace Spurred by the Past with Mod pop happiness.png Goes Around, Comes Around empire modifier

Quantum Catapult[edit | edit source]

The Origins slingshot to the stars.png Slingshot to the Stars origin adds an archaeological site in the pulsar system where the ruined Quantum Catapult is located.

Site Chapter rewards
Quantum Catapult
Evt slingshot stars.png
  1. Engineering Research.png 12x engineering output (250 ~ 100000)
  2. Engineering Research.png 12x engineering output (250 ~ 100000)
  3. Narrative only
  4. Engineering Research.png 12x engineering output (250 ~ 100000)
  5. Narrative only
  6. Engineering Research.png 48x engineering output (1000 ~ 1000000)
    • If finished before 2230, adds Infinity Beckons empire modifier for 10 years (Mod megastructure build speed.png +50% Megastructure build speed)

Ancient Relics sites[edit | edit source]

The Ancient Relics DLC adds a large number of archaeological sites to the game.

Site Chapter 1 rewards Chapter 2 rewards Chapter 3 rewards Chapter 4 rewards Chapter 5 rewards Chapter 6 rewards Requirements
Relic Rails
Evt archaeological dig.png
Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts
  • Minor artifacts.png 6-10 Minor artifacts
  • Research.png Research modifier for 15 years
No.png No.png Housing.png Housing building
Ruined World
Evt relic world.png
Minor artifacts.png 1-5 Minor artifacts 2 outcomes:
  • Society Research.png 18x society output (350 ~ 100000)
  • Engineering Research.png 18x engineering output (350 ~ 100000)
Minor artifacts.png 1-5 Minor artifacts R omnicodex.png Omnicodex relic No.png No.png Omni System
Asteroid Blast Door
Evt barren dig site.png
Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 50, 75 or 100 Minor artifacts No.png No.png Planet asteroid.png Asteroid
Fossilized Remains
Evt archaeology camp.png
Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts No.png Fossils Discovered colony event
Ancient Tomb
Evt excavation team.png
Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts
  • Mid-Game
  • Uninhabitable planet
  • Holy Guardians exist
Moon Base
Evt barren dig site.png
Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts
  • Minor artifacts.png 1-5 Minor artifacts
  • Feature.png Abandoned Ecumenopolis site spawns in system
No.png No.png No.png Shielded Relic system
Abandoned Ecumenopolis
Evt overgrown city.png
Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts No.png No.png Finishing the Moon Base dig site
Gas Giant Structure
Evt gas giant station.png
Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts
  • Minor artifacts.png 6-10 Minor artifacts
  • Energy.png 4000 Energy
No.png No.png Planet gas giant.png Gas Giant
Robot Debris
Evt space debris.png
Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts
  • Minor artifacts.png 6-10 Minor artifacts
  • Engineering Research.png 96x engineering output (2000 ~ 2000000)
No.png No.png No.png Planet asteroid.png Asteroid
Crashed Starship
Evt crashed station.png
Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 10-30 Minor artifacts Uninhabitable planet
Moon Bump
Evt relic world street.png
Minor artifacts.png 1-5 Minor artifacts 3 outcomes: No.png No.png No.png No.png Uninhabitable planet
The Echoes Inside
Arid planet.png
Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts Society Research.png 48x society output (1000 ~ 1000000) No.png No.png Planet barren.png Barren
Target from Orbit
Evt ship in orbit.png
Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts 3 outcomes:
  • Tech power plant 3.png Quantum Energy States[7]
  • Minerals.png 1000 Minerals
  • Tech society 2.png Xenobiology[8]
No.png No.png No.png Uninhabitable planet
Hole in the Ground
Evt big landing ship.png
Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts 3 outcomes:
  • Tech shields 4.png Advanced Shields tech[7]
  • Tech mining 2.png Deep Core Mining[9]
  • Tech alien life studies.png Xenology[8]
No.png No.png No.png Uninhabitable planet
Too Angled
Evt ship in orbit.png
Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts
10% chance
Tech mega art.png Mega Art Installation[8]
45% chance
Tech terrestrial sculpting.png Terrestrial Sculpting[10]
45% chance
Tech space mining 3.png Mineral Cutting Beams[11]
No.png No.png No.png Uninhabitable planet
Déjà Vu Dig
Evt archaeology camp.png
Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts 4 outcomes:
  • Tech physics 3.png Space-Time Theory[12]
  • Tech tb deep sinkhole.png Subterranean Colonization[13]
  • Tech tomb world adaption.png Tomb World Adaptation[14]
  • Archaeological loop
No.png No.png No.png Uninhabitable planet
Trench World
Tundra planet.png
Minor artifacts.png 1-5 Minor artifacts 3 outcomes: No.png No.png No.png No.png Planet barren.png Barren
Any Other Rock
Evt warm barren planet.png
Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts
66% chance
Unity.png Forced Mindfulness
33% chance
Volatile motes.pngExotic gases.pngRare crystals.png +200 of each strategic resource
No.png No.png Planet molten.png Molten
Beautiful Bubble
Evt big landing ship.png
Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts
66% chance
Society Research.png 48x society output (1000 ~ 1000000)
33% chance
Energy.png Anthem of Aurora
No.png No.png No.png Uninhabitable planet
Get Inside
Evt alien ruins.png
Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts 3 outcomes:
  • Tech colonization 3.png Hostile Environment Adaptation[17]
  • Tech tb volcano.png Deep Crust Engineering[18]
  • If Gestalt consciousness.pngAuth hive mind.png then Tech unity of purpose.png Unity of Purpose[19] else Tech artificial moral codes.png Artificial Moral Codes[19]
No.png No.png No.png Uninhabitable planet
Anyone Home?
Evt overgrown city.png
Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts 3 outcomes:
  • Tech colonization 3.png Hostile Environment Adaptation[8]
  • Volatile motes.pngExotic gases.pngRare crystals.png +150 of each strategic resource and Society Research.png 48x society output (1000 ~ 1000000)
  • Tech society 3.png Secrets of Life[8]
No.png No.png Uninhabitable planet
The Grand Herald
Evt ancient alien temple.png
Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts
  • Minor artifacts.png 1-5 Minor artifacts
  • Menu icon fleet manager.png Titan (25-75% damaged)
Planet nuked.png Tomb, Planet desert.png Desert,
Planet arid.png Arid or Planet savannah.png Savanna
Beneath the Waves
Evt ship in orbit 2.png
Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts 3 outcomes:
  • Tech colonization 2.png Atmospheric Filtering[20]
  • Tech colonization 2.png Atmospheric Filtering[21]
  • Tech ecological adaptation.png Ecological Adaptation[8]
No.png No.png No.png Planet ocean.png Ocean
Get to the Bottom
Evt ship in orbit.png
Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts 3 outcomes:
  • Tech tb toxic kelp.png Ocean Ecology Management[22] and Engineering Research.png 48x engineering output (1000 ~ 1000000)
  • Tech ecological adaptation.png Ecological Adaptation[11]
  • Tech terrestrial sculpting.png Terrestrial Sculpting[11]
No.png No.png No.png Planet ocean.png Ocean
Dotted Archipelago
Evt ocean planet.png
Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts 3 outcomes:
  • Exotic gases.png +250 Exotic gases
  • Tech vitality boosters.png Vitality Boosters[8]
  • Tech society 2.png Xenobiology[8]
No.png No.png No.png Planet ocean.png Ocean
Strange Flows
Evt glitchy matrix.png
Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts 3 outcomes:
  • Tech tb volcano.png Deep Crust Engineering[23]
  • Ion Disruptors Ion Disruptors[7]
  • Nano-Separators Nano-Separators[11]
No.png No.png No.png Planet molten.png Molten
Message in the Dust
Evt ship in orbit.png
Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts 3 outcomes
  • Minor artifacts.png 1-5 Minor artifacts
  • Menu icon fleet manager.png 1 Corvette
    (25-75% damaged)[24]
No.png Planet nuked.png Tomb, Planet desert.png Desert,
Planet arid.png Arid or Planet savannah.png Savanna
Whispers in the Stone
Evt hidden door.png
Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts No.png District mining.png Mining District
Kleptomaniac Rats
Evt relic world.png
Minor artifacts.png 6-10 Minor artifacts Minor artifacts.png 6-10 Minor artifacts Minor artifacts.png 6-10 Minor artifacts Minor artifacts.png 6-10 Minor artifacts
  • Minor artifacts.png 10-30 Minor artifacts
  • Job purge.png Shard awakens
No.png Rubricator System spawned in by the Weapon Trails Anomaly
Hidden Worlds
Evt crashed station.png
Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts Choice of: No.png No.png 5% chance to trigger by clearing one of the following Tile Blocker.pngtile blockers on a colony
  • D lush jungle.png Dense Jungle
  • D toxic kelp.png Toxic Kelp
  • D deep sinkhole.png Deep Sinkhole
  • D quicksand basin.png Quicksand Basin
  • D noxious swamp.png Noxious Swamp
  • D massive glacier.png Massive Glacier
The Library
Evt archaeological dig.png
Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts Minor artifacts.png 1-5 Minor artifacts
  • Remnant of a Remnant event chain that leads to the nearest Curator station if uncontacted
  • Minor artifacts.png 10-30 Minor artifacts

and choice of:

No.png Planet barren.png Barren
Ruined Station
Evt space debris.png
Minor artifacts.png 1-5 Minor artifacts choice of:
  • Scientist gains Leader trait meticulous.png Meticulous[25]
  • Scientist gains Leader trait percussive maintenance.png Percussive Maintainer
Minor artifacts.png 1-5 Minor artifacts No.png No.png Neutron Star or Pulsar
Weapons Cache
Evt tomb world.png
no rewards Minor artifacts.png 6-10 Minor artifacts Unique Text if Earth,

if Xenophobe.pngGestalt consciousness.png and No.pngCivic empath.pngCivic machine servitor.png

  • Alloys.png 150 - 2000 Alloys

if Xenophile.pngCivic empath.pngCivic machine servitor.png

  • Minor artifacts.png 6-10 Minor artifacts
  • 350 - 2000 Unity.png unity

Everyone Else

  • Minor artifacts.png 6-10 Minor artifacts
  • 250 - 1500 Unity.png unity
No.png No.png No.png Terraforming Event

Precursor sites[edit | edit source]

Precursor Archaeology Sites are visible only to the empire that starts the event chain and are used to advance the Baol and Zroni event chains. When a Zroni Archaeology Site is discovered, the planet also gains a deposit of Zro.png 2-4 Zro.

Precursor Site Chapter rewards
Baol Grunur Ruins
Evt baol 1.png
  1. Minor artifacts.png 5 Minor artifacts
  2. Minor artifacts.png 5 Minor artifacts and Archaeology map icon.png The Barren site location
The Barren
Evt warm barren planet.png
  1. Minor artifacts.png 5 Minor artifacts
  2. Minor artifacts.png 5 Minor artifacts
  3. Minor artifacts.png 5 Minor artifacts and Archaeology map icon.png The Shattered site location
The Shattered
Evt asteroid field.png
  1. Minor artifacts.png 5 Minor artifacts
  2. Minor artifacts.png 5 Minor artifacts
  3. Minor artifacts.png 5 Minor artifacts
  4. Minor artifacts.png 5 Minor artifacts and Archaeology map icon.png The Silenced site location
The Silenced
Evt baol 5.png
  1. Minor artifacts.png 5 Minor artifacts
  2. Minor artifacts.png medium minor artifacts reward (6, 8, or 10) and Feature.png Grunur system location
Zroni Abandoned Colony Ruins
Evt overgrown city.png
  1. Minor artifacts.png small minor artifacts reward (1, 3, or 5)
  2. Minor artifacts.png small minor artifacts reward (1, 3, or 5) and Physics Research.png 18x physics output (350 ~ 100000)
  3. Minor artifacts.png small minor artifacts reward (1, 3, or 5) and Archaeology map icon.png Zroni Minor Colony (1) site location
    • Also, Tech psionic theory.png Psionic Theory as research option, if not researched
    • Instead, Society Research.png 48x society output (1000 ~ 1000000) if researched or Gestalt consciousness.png Gestalt Consciousness
Zroni Minor Colony (1)
Evt overgrown city.png
  1. Minor artifacts.png small minor artifacts reward (1, 3, or 5) and Society Research.png 18x society output (350 ~ 100000)
  2. Minor artifacts.png small minor artifacts reward (1, 3, or 5) and Archaeology map icon.png Zroni Minor Colony (2) location
Zroni Minor Colony (2)
Evt overgrown city.png
  1. Minor artifacts.png small minor artifacts reward (1, 3, or 5)
  2. Minor artifacts.png small minor artifacts reward (1, 3, or 5) and Archaeology map icon.png Zroni Minor Colony (3) location
Zroni Minor Colony (3)
Evt baol 2.png
  1. Minor artifacts.png small minor artifacts reward (1, 3, or 5) and Society Research.png 18x society output (350 ~ 100000)
  2. Minor artifacts.png small minor artifacts reward (1, 3, or 5) and Archaeology map icon.png Zroni Major Colony site location
Zroni Major Colony
Evt baol 2.png
  1. Engineering Research.png 12x engineering output (250 ~ 100000) and Society Research.png 18x society output (350 ~ 100000)
  2. Minor artifacts.png small minor artifacts reward (1, 3, or 5) and Society Research.png 18x society output (350 ~ 100000)
  3. Minor artifacts.png medium minor artifacts reward (6, 8, or 10) and Archaeology map icon.png Zron system location
Zron
Evt shrouded planet.png
  1. Minor artifacts.png small minor artifacts reward (1, 3, or 5) and Zro.png 2 Zro
  2. Minor artifacts.png small minor artifacts reward (1, 3, or 5) and Society Research.png 18x society output (350 ~ 100000)
  3. Minor artifacts.png small minor artifacts reward (1, 3, or 5) and Society Research.png 18x society output (350 ~ 100000)
  4. Minor artifacts.png small minor artifacts reward (1, 3, or 5), Zro.png 5 Zro, and Society Research.png 24x society output (500 ~ 1000000)
  5. Minor artifacts.png large minor artifacts reward (10, 20, or 30) and R zro crystal.png Psionic Archive relic

The Sentinels[edit | edit source]

The Sentinels is an Archaeology Site with slightly different mechanics. It can be discovered after a planet is colonized and adds an archaeological site blocker to the colony.

Site Chapter 1 Chapter 2 Chapter 3 Requirements
The Sentinels
Evt huge monument.png
Adds an
D archaeological dig.png Archaeological Site feature to the planet
  • Minor artifacts.png 1-5 Minor artifacts reward
  • Archaeologist Missing event after 60-90 days
    • Scientist leading the arc site dig goes missing
  • Minor artifacts.png 1-5 Minor artifacts reward
  • Missing Archaeologist event after 30-90 days
    • Choice to pay 100 Influence.png Influence and 500 Energy.png Energy to save the missing scientist with the Leader trait maimed.png Maimed trait after 10-40 days
    • Choice to not "waste time on deserters" to find scientist dead after 60-90 days
    • Choice to pay −3 Clues to save the missing scientist with the Leader trait maimed.png Maimed trait after 10-40 days
  • All choices also give +5 Clues to the archaeology site after finding the scientist

Minor artifacts.png 1-5 Minor artifacts reward
D archaeological dig.png Archaeological Site feature gets removed/replaced
and Choice of:
If No.pngXenophobe.pngFanatic Xenophobe.png:

  • Open the Sentinels carefully
Issue a special project to investigate the sentinels, when finished choose between:
? Hear them out: Talk to them and choose between:
+ Protection: D archaeological dig.png Sentinels feature and gain 9 or 8 defensive Sentinel armies depending on dialog choices
! Claim land: 9 Sentinel armies attack the colony
! Silence them: 9 Sentinel armies attack the colony
  • Leave the Sentinels alone
+ D archaeological dig.png Sentinels feature
+ Pm artist monument erected.png The Sentinels planet modifier

If No.pngXenophile.pngFanatic Xenophile.png:

  • Destroy the Sentinels
Issue a special project to destroy the sentinels:
! When finished 9 Sentinel armies attack the colony

Always an Option

  • Dismantle the statues and salvage the alloy
Acts the same as "Open the Sentinels carefully" option listed above
The illusion of choice
No.pngGestalt consciousness.png gestalt consciousness
5% chance to trigger by clearing one of the following Tile Blocker.pngtile blockers on a colony
  • D lush jungle.png Dense Jungle
  • D toxic kelp.png Toxic Kelp
  • D noxious swamp.png Noxious Swamp
  • D massive glacier.png Massive Glacier


If any of the outcomes comes to having the 9 Sentinel armies attacking the colony totaling 2350 garrison/army power here are the outcomes of the battle:

  • The Sentinels win and seize control of the colony
    The sentinels start purging owners pops
    The planet can be retaken and liberated from the Sentinels (see Sentinels defeated)
    If the pops get liberated before they get fully purged they revive a liberated 30% Mod pop happiness.png happiness boost for 10 years
    If the pops are left to be fully purged, the colony gets destroyed and the last pop will escape to a randomly owned planet. Reveals and enables the "Into the Earth" special project above the Sentinel planet. Choice of:
    Put their minds to work with some science: Receive the Pm glitchy matrix.png Ever More Science planet modifier on your Capital +10%Research.png
    Modify the Evermore to entertain the masses: Receive the Pm glitchy matrix.png Ever More Joy planet modifier on your Capital −10%Pop consumer goods upkeep +5%Mod pop happiness.png
  • The Sentinels are defeated (liberation also applys for this)
    Gain the D mineral fields.png Sentinels metal feature on the colony
    Defeating the Sentinels also reveals a tomb entrance and a Choice between:
    • Investigate the entrance Issues special project "Into the Earth". Once completed chose between:
      • Purge and repurpose: gain
        Influence.png 300 Influence
        Pm glitchy matrix.png Cheap Thrills planet modifier −10%Pop consumer goods upkeep +5%Mod pop happiness.png
      • Virtual hunting ground: If Militarist.pngFanatic Militarist.png or Xenophobe.pngFanatic Xenophobe.png gain:
        Influence.png 300 Influence
        Pm glitchy matrix.png Cheap Thrills Evil planet modifier +10%Militarist.png +10%Xenophobe.png −10%Pop consumer goods upkeep +5%Mod pop happiness.png
      • Replicate the technology: If No.pngMilitarist.pngFanatic Militarist.png and No.pngXenophobe.pngFanatic Xenophobe.png gain:
        Issue the "Replicate the Evermore" special project. gain the Pm glitchy matrix.png Cheap Thrills EMPIRE modifier −10%Pop consumer goods upkeep +5%Mod pop happiness.png
      • Lab rats:
        Gain the Pm glitchy matrix.png The Evermore planet modifier +10%Research.png
    • Seal the entrance
      Gain 150 Influence.png Influence and conclude the even chain

Other Expansion Sites[edit | edit source]

Certain archaeological sites require other DLC to be enabled.

The Broken Gates[edit | edit source]

The Broken Gates archaeological site can be discovered on any planet that's not a gas giant, asteroid or located in a black hole system.

Site Chapter rewards
The Broken Gates
Evt baol 5.png
  1. Minor artifacts.png small minor artifacts reward (1, 3, or 5)
  2. Minor artifacts.png small minor artifacts reward (1, 3, or 5)
  3. Minor artifacts.png small minor artifacts reward (1, 3, or 5)
  4. Minor artifacts.png small minor artifacts reward (1, 3, or 5) and choice of:
    • Engineering Research.png 18x engineering output (350 ~ 100000)
    • Job purge.png The Elder One awakens
      • Worship it and gain Eldritch Knowledge empire modifier
      • Attack it and gain Influence.png 24x influence output (150 ~ 300)

Chthonic Siren[edit | edit source]

If an empire is part of a Federation research.png Research Cooperative, then fully excavating any archaeology site has a 10% chance to start the event chain which reveals this site. Each member of the federation receives the site if a suitable system and planet exists within their borders, otherwise the member is given two special projects to support their federation allies with sites. Federation members can also opt not to participate.

Site Chapter Rewards Ancient Relics.png Fallback rewards – without Ancient Relics.png Ancient Relics
Chthonic Siren
Evt clocks.png
  1. Minor artifacts.png small minor artifacts reward (1, 3, or 5)
  2. Randomly either:
    1. Minor artifacts.png small minor artifacts reward (1, 3, or 5)
    2. Minor artifacts.png medium minor artifacts reward (6, 8, or 10)
  3. If first reward in previous stage,
    1. Minor artifacts.png small minor artifacts reward (1, 3, or 5)
    2. Otherwise, Minor artifacts.png medium minor artifacts reward (6, 8, or 10)
  4. Minor artifacts.png medium minor artifacts reward (6, 8, or 10)
  1. Engineering Research.png 12x engineering output (250 ~ 100000)
  2. Randomly either:
    1. Physics Research.png 12x physics output (250 ~ 100000)
    2. Engineering Research.png 18x engineering output (350 ~ 100000)
  3. If first reward in previous stage,
    1. Society Research.png 12x society output (250 ~ 100000)
    2. Otherwise, Engineering Research.png 12x engineering output (250 ~ 100000)
  4. Society Research.png 18x society output (350 ~ 100000)

If all members who opted to participate complete their site or projects, the federation gains Federation cohesion.png +40 cohesion and each member gains Minor artifacts.png 6 minor artifacts and the Genius Caeli: A Time of Knowing empire modifier for 20 years. Otherwise, five years after any member fully excavates their site, if at least one other site is partially excavated or one special project set completed or similar total progress is made, the federation gains Federation cohesion.png +25 cohesion and each member gains Minor artifacts.png 3 minor artifacts and the Genius Caeli: Balanced Prosperity empire modifier for 20 years. If no other site is excavated or special project set completed, the federation gains Federation cohesion.png −20 cohesion and each member gains Minor artifacts.png 1 minor artifact.

Excavation events[edit | edit source]

At the end of an Excavation phase, if the result is not high enough to grant a Clue or finish the Chapter, then one of the following events may happen:

  • Science Ship Scientist dies, −2 Clues
  • Archaeology team members die, −1 Clues
  • A dangerous situation is avoided, +3 Clues
  • Choice to pay 100 Energy.png Energy to get +3 Clues or do nothing and get −2 Clues
  • Science Ship Scientist gains the Leader trait maimed.png Maimed trait


References[edit | edit source]

  1. 1.0 1.1 If the technology has already been researched then Gain Research.png 96x research output (each potential yield gain of 2000 ~ 2000000) in the corresponding tech field Physics Research phy, Society research soc or Engineering research eng.
  2. Add this technology as research option with 30% progress.
  3. If this technology has already been researched then Gain Society Research.png 48x society output (potential yield gain of 1000 ~ 1000000) else gain this technology.
  4. Increased by having more than 500 monthly income of energy or minerals, more than 350 monthly income of unity, more than 200 monthly income of alloys, or more than 750 stored influence. Reduced by having less than 25 monthly income of energy or minerals, less than 20 monthly income of unity, less than 10 monthly income of alloys, or less than 100 stored influence. Each check is independent of the others.
  5. If this technology has already been researched then Gain Engineering Research.png 24x engineering output (potential yield gain of 500 ~ 1000000) else if this technology is a research option then gain 50% progress else add this technology as research option with 10% progress.
  6. If all colonization technologies have been researched then Gain Society Research.png 24x society output (potential yield gain of 500 ~ 1000000) else if this technology is a research option then gain 50% progress else add the next colonization technology as research option with 25% progress.
  7. 7.0 7.1 7.2 7.3 If this technology has already been researched then Gain Physics Research.png 48x physics output (potential yield gain of 1000 ~ 1000000) else if this technology is a research option then gain 50% progress else add this technology as research option with 10% progress.
  8. 8.0 8.1 8.2 8.3 8.4 8.5 8.6 8.7 If this technology has already been researched then Gain Society Research.png 48x society output (potential yield gain of 1000 ~ 1000000) else if this technology is a research option then gain 50% progress else add this technology as research option with 10% progress.
  9. If this technology has already been researched then gain Volatile motes.png 100 volatile motes else if this technology is a research option then gain 50% progress else add this technology as research option with 10% progress.
  10. If this technology has already been researched then gain Minerals.png 2000 minerals else if this technology is a research option then 50% progress else add this technology as research option with 10% progress.
  11. 11.0 11.1 11.2 11.3 11.4 If this technology has already been researched then Gain Engineering Research.png 48x engineering output (potential yield gain of 1000 ~ 1000000) else if this technology is a research option then gain 50% progress else add this technology as research option with 10% progress.
  12. If this technology has already been researched then Gain Society Research.png 96x society output (potential yield gain of 2000 ~ 2000000) else if this technology is a research option then 25% progress else add this technology as research option with 10% progress.
  13. If this technology has already been researched then Gain Engineering Research.png 96x engineering output (potential yield gain of 2000 ~ 2000000) else gain this technology.
  14. If this technology has already been researched then Gain Engineering Research.png 96x engineering output (potential yield gain of 2000 ~ 2000000) else if this technology is a research option then gain 50% progress else add this technology as research option with 10% progress.
  15. If this technology has already been researched then Gain Society Research.png 48x society output (potential yield gain of 1000 ~ 1000000) else if this technology is a research option then it gain 25% progress else add this technology as research option.
  16. If this technology has already been researched then gain Alloys.png 500 alloys else if this technology is a research option then gain 50% progress else add this technology as research option with 25% progress.
  17. If this technology has already been researched then Gain Society Research.png 48x society output (potential yield gain of 1000 ~ 1000000) else if this technology is a research option then gain 50% progress else add this technology as research option.
  18. If this technology has already been researched then Gain Physics Research.png 48x physics output (potential yield gain of 1000 ~ 1000000) else if this technology is a research option then gain 50% progress Gain Physics Research.png 24x physics output (potential yield gain of 500 ~ 1000000) else add this technology as research option and Gain Physics Research.png 24x physics output (potential yield gain of 500 ~ 1000000).
  19. 19.0 19.1 If this technology has already been researched then Gain Society Research.png 48x society output (potential yield gain of 1000 ~ 1000000) else if this technology is a research option then gain 25% progress else add this technology as research option with 10% progress.
  20. If this technology has already been researched then Gain Society Research.png 48x society output (potential yield gain of 1000 ~ 1000000) else if this technology is a research option then gain 25% progress and Gain Society Research.png 24x society output (potential yield gain of 500 ~ 1000000) else add this technology as research option with 10% progress and Gain Society Research.png 24x society output (potential yield gain of 500 ~ 1000000).
  21. If this technology has already been researched then Gain Engineering Research.png 48x engineering output (potential yield gain of 1000 ~ 1000000) else if this technology is a research option then gain 25% progress and Gain Engineering Research.png 24x engineering output (potential yield gain of 500 ~ 1000000) else add this technology as research option with 10% progress and Gain Engineering Research.png 24x engineering output (potential yield gain of 500 ~ 1000000).
  22. If this technology is a research option then gain 80% progress else add this technology as research option with 50% progress. No additional bonus for already possessing the tech.
  23. If this technology has already been researched then Gain Physics Research.png 48x physics output (potential yield gain of 1000 ~ 1000000) else if this technology is a research option then gain 80% progress else add this technology as research option with 25% progress.
  24. Also adds a Special Project to repair the corvette damage.
  25. Not possible if scientist has Leader trait maniacal.png Maniacal or Leader trait carefree.png Carefree .
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