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Anomaly

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This article is considered accurate for the current version (2.3) of the game.

An anomaly is represented by survey readings that deviate from what is normal. When a science ship surveys a celestial body it may identify an anomaly that needs further investigation. Anomalies have their own tab in the Situation Log.

When the investigation of an anomaly is complete, an event will pop up that can give various bonuses, such as research points, resources on a planet, or even a special project which requires further research investment to unlock benefits. Certain Ethics occasionally have additional options.

Each surveyed celestial body has a 5% chance of spawning an anomaly, which is increased by 0.5% for every surveyed planet with no anomaly before being reset. The Leader trait meticulous.png Meticulous trait also increases the chance of finding anomalies by 10%.

Contents

LevelEdit

To investigate an anomaly, a science ship with a scientist on board must be present at the celestial body where the anomaly is located. Investigating them takes time, which is determined by the level of the scientist minus the difficulty level of the anomaly. As such, anomalies of higher levels are often best left off until a skilled scientist can study them faster.

Level difference Investigation days
+9 (Inconsequential) 20
+8 (Inconsequential) 24
+7 (Trivial) 30
+6 (Trivial) 35
+5 (Very Easy) 45
+4 (Very Easy) 55
+3 (Easy) 65
+2 (Easy) 80
+1 (Routine) 100
0 (Routine) 120
Level difference Investigation days
-1 (Routine) 180
-2 (Challenging) 300
-3 (Challenging) 540
-4 (Hard) 720
-5 (Hard) 1080
-6 (Very Hard) 1440
-7 (Very Hard) 2160
-8 (Hellish) 2880
-9 (Hellish) 5760

Anomaly ListEdit

Each Anomaly except Ancient Signs of Life can only be found x times where x is the number of possible outcomes. Once a certain outcome of an anomaly has occurred, the same outcome cannot happen if the anomaly is discovered again.

Anomaly Level Outcomes Celestial body
Abandoned Station 3 1   Asteroid
Alien Machine 3 1   Asteroid
An Asteroid, Carved 3 1   Asteroid
Asteroid Collision 1 1   Asteroid
Asteroid Waves 1 4   Asteroid
Astonishing Asteroids 6 1   Asteroid
Covered in Debris 3 1   Asteroid
Crashed Ship 3 2   Asteroid
Dimensional Disturbance 6 2   Asteroid
Docking Hatch 3 2   Asteroid
Dustbowl 1 3   Asteroid
Energy Emissions 1 2   Asteroid
Mind the Minerals 2 1   Asteroid
Mineral Cluster 3 4   Asteroid
Mystical 7 1   Asteroid
Odd Readings 6 2   Asteroid
Orbital Speed Demon 4 1   Asteroid
Radiating Asteroid 7 1   Asteroid
Spacecraft Remains 4 1   Asteroid
Unknown Insides 3 1   Asteroid
Unknown Origin 1 2   Asteroid
Icy Plains 4 1   Arctic
Arid and Abandoned 6 1   Arid
Arid Wastes 3 1   Arid
Ancient Signs of Life 2 1   Barren
Looking Down" 6 2   Barren
On the Barren Plains 5 1   Barren
Winking 5 1   Barren
Continental Findings 1 3   Continental
Anomaly Level Outcomes Celestial body
Buried in the Sand 4 2   Desert
Desolate Sands 1 1   Desert
Dunes 3 3   Desert
Cold Hard Potential 3 4   Frozen
Cold Wastes 2 2   Frozen
Ice Lit 3 1   Frozen
Something Smells 2 1   Frozen
Minesweeper 2 1   Gaia
Paradise Anticipated 3 1   Gaia
Aerostat Structures 1 2   Gas Giant
Atmospheric Object 4 2   Gas Giant
Atmospheric Storms 1 1   Gas Giant
Cargo Pod 1 1   Gas Giant
Clouds Dance 1 1   Gas Giant
Gas Giant Ship 5 1   Gas Giant
Gas Giant Signal 5 1   Gas Giant
Ice Ice Giant 6 1   Gas Giant
Promising Moon 1 1   Gas Giant
Space Debris 1 1   Gas Giant
Terminal Orbit 5 1   Gas Giant
Heated Rhythm 2 1   Molten
Drops in the Ocean 3 1   Ocean
Kaleidoscopic 2 1   Ocean
The Winter of the Fallen 3 1   Tomb
Impossible Organism 6 1   Toxic
Pigment Poison 7 1   Toxic
Poison-coated 2 1   Toxic
Signs of Former Habitation 1 2   Toxic
Toxic Construction 8 1   Toxic
Toxicity 3 1   Toxic
Anomaly Level Outcomes Celestial body
Among the Vines and Trees 3 1   Tropical
Scurrying 4 1   Tropical
Tropical Oddities 3 1   Tropical
Wooden Hegemony 3 1   Tropical
Possible Inhabitants 3 1 Any Dry Planet
Spotty Greenery 4 2 Any Wet Planet
Monoliths 3 1 Any Habitable Planet
Steamrolled 1 1 Any Habitable Planet
What Hums in the Night 5 2 Any Habitable Planet
Ancient Shipyard 4 1 Any Uninhabitable Planet
Asteroid in Orbit 1 1 Any Uninhabitable Planet
Atmospheric Anomaly 3 1 Any Uninhabitable Planet
Doppler Effect 3 1 Any Uninhabitable Planet
Life Signs 2 1 Any Uninhabitable Planet
Massive Impact 2 2 Any Uninhabitable Planet
Projecting 3 1 Any Uninhabitable Planet
Signs of Battle 4 1 Any Uninhabitable Planet
Solar Sailer 2 1 Any Uninhabitable Planet
Space Station 1 1 Any Uninhabitable Planet
Strange Mountain Formation 3 1 Any Uninhabitable Planet
Surface Beacon 1 1 Any Uninhabitable Planet
Surface Writing 2 1 Any Uninhabitable Planet
Unidentified Object 2 1 Any Uninhabitable Planet
Unusual Energy Readings 2 4 Any Uninhabitable Planet
Weak Signal 2 2 Any Uninhabitable Planet
Playful Ruins 3 1 Any Planet
Improbable Orbit 5 1 Any Star
Rainbow in the Dark 5 2   Black Hole
Nuclear Wasteland 1 1   Earth

The following Anomalies require the   Distant Stars DLC and have only one possible outcome.

Anomaly Level Celestial body
Alien Machine 3   Asteroid
Armed Vessel 3   Asteroid
Secret Heart 5   Asteroid
Unscannable Object 1   Asteroid
Waterless Canyons 1   Barren
Gray Goo 4   Frozen
Inconsistent Readings 1   Frozen
Metallic Crystal Formations 2   Frozen
Alien Activity 3   Gaia
Familiar Compounds 2   Gas Giant
Movement in the Clouds 2   Gas Giant
Solid Core 3   Gas Giant
Volcanic Vents 1   Molten
Deep Tunnels 1   Ocean
Impenetrable Clouds 1   Toxic
Mysterious Construct 5   Toxic
Fleet Signatures 4   Black Hole
Heavy Pulse 2   Class F Star
Anomaly Level Celestial body
42 Years and 3 Days 3 Any Habitable Planet
Abandoned Settlements 4 Any Habitable Planet
Alien Life 3 Any Habitable Planet
Attractive Magnetism 1 Any Habitable Planet
Bizarre Blanket 1 Any Habitable Planet
Corrupt Survey Data 4 Any Habitable Planet
Isolated Ruin 2 Any Habitable Planet
Megaflora 1 Any Habitable Planet
Resonant Crystals 1 Any Habitable Planet
Overgrown Ruins 6 Any Habitable Planet
Peculiar Patterns 3 Any Habitable Planet
Deep Caverns 7 Any Uninhabitable Planet
Webwork 2 Any Uninhabitable Planet
Silent Behemoth 2 Any Uninhabitable Moon
Unusual Moon 3 Any Uninhabitable Moon
Encrypted Transmission 2 Any Planet
Supply Ship Wreckage 2 Any Planet
Interference 1 Any Star
Irregular Energy Emissions 4 Any Star

Pioneer 11Edit

If the Sol system is present in the galaxy a random Asteroid might reveal a level 3 Debris Field Anomaly. Investigating it will discover the Pioneer 11 probe. If the empire is human it will gain 40-100   Influence. If the empire is alien on the other hand it will bring the following options:

  • Decipher the data disk and gain 120-250   Engineering Research while the science ship leader gains 200 Experience. The location of the Sol system is added to the situation log. Entering the system will grant 80-175   Influence.
  • Sell the data disk and gain 120-250   Engineering Research.
  • Use the data disk as furniture and gain 40-100   Influence if   Xenophobe or   Fanatic Xenophobe.

PrecursorsEdit

 
First League anomaly

The Precursors are long dead galactic empires predating even the fallen empires and the curators. Their ruins are scattered across the galaxy for the player to find via anomalies. Precursor anomalies grant a special project which once investigated grants a moderate amounts of   Engineering,   Physics or   Society research as well as a precursor artifact. 6 artifacts are required to reveal the location of a precursor's home system.

If every precursor anomaly has been investigated but no empire managed to collect 6 artifacts a random event can trigger every 20 years and add another precursor anomaly on one of the previously investigated planets. The time is lowered to 13.3 years for   Gestalt Consciousness empires.

AI empires can also sell a discovered artifact to Player empires for 1000   Energy. If the Player empire has the   Warrior Culture civic it can threaten the AI empire to surrender it for free, the success rate depending entirely on both empires' Relative Power. Empires that hold a Protective, Friendly or Loyal attitude will offer the artifact for free instead of asking for payment. Each AI Empire will only offer an artifact once.

The   Ancient Relics DLC adds two more precursors that are discovered via Archaeology Sites instead of anomalies.

There have been 7 precursor civilizations:

Precursor civilization Homeworld Homeworld reward Home system deposits   Secrets special project cost   Secrets special project rewards DLC
Cybrex   Ruined Ring World
  •   240-9999 Unity
  •   350-2000 Engineering research
  •   350-2000 Energy
  •    10-30 Minor Artifacts
  •    Cybrex War Forge Relic
  •   Secrets of the Cybrex artifact action
None   12000 Engineering research   +10% Megastructure Build Speed None
First League   Fen Habbanis III
  •   240-9999 Unity
  •   350-2000 Society research
  •   150-300 Influence
  •    10-30 Minor Artifacts
  •   Secrets of the First League artifact action
  •   10 of all research resources
  •   10 Minerals
  •   10 Energy
  6000 Engineering research
  •   +15% Industry Research Speed
  •   +10% Planet Build Speed
None
Irassian Concordat   Irassia
  •   240-9999 Unity
  •   350-2000 Physics research
  •   350-2000 Minerals
  •    10-30 Minor Artifacts
  •    Javorian Pox Sample Relic
  •   Secrets of the Irassians artifact action
  •   10 of all research resources
  •   5 Alloys
  •   5 Exotic Gases
  3000 Society research
  •   +20% Biology Research Speed
  •   +5% Pop Growth Speed
None
Vultaum Star Assembly   Vultaumar Prime
  •   240-9999 Unity
  •   250-1500 Engineering research
  •   250-1500 Physics research
  •   250-1500 Society research
  •    10-30 Minor Artifacts
  •    Vultaum Reality Perforator Relic
  •   Secrets of the Vultaum artifact action
  •   10 of all research resources
  •   10 Energy
  •   5 Alloys
  •   5 Exotic Gases
  3000 Physics research
  •   +15% Computing Research Speed
  •   +10% Amenities
None
Yuht Empire   Yuthaan Majoris
  •   240-9999 Unity
  •   350-2000 Energy
  •   350-2000 Minerals
  •    10-30 Minor Artifacts
  •    Yuht Cryo Core Relic
  •   Secrets of the Yuht artifact action
  •   10 of all research resources
  •   10 Minerals
  •   10 Energy
  •   5 Alloys
  •   5 Exotic Gases
  3000 Society research   Initiate Yuht Cleansing Process Decision None
Baol   Grunur
  •   The Last Baol Relic
  • Secrets of the Baol artifact action
None   3000 Society research   -15% Terraforming Cost  
Zroni   Zron Prime
  •   Psionic Archive Relic
  • Secrets of the Zroni artifact action
  5 Zro   6000 Society research   +10% Psionics Research Speed  

Archaeological sitesEdit

Archaeological Sites are areas where remains on ancient civilizations have been preserved relatively intact. That can be discovered on survey, generated at game start or discovered a few years after a planet is colonized. A 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 to excavate the side. The duration of an Excavation is determined by the Archaeological Site's Difficulty rating and can be reduced by -25% if the Scientist on the Science Ship has the   Archaeologist trait. As the Scientist goes through excavations, it will roll a dice and add modifiers to the result, with the following formula: Result = dice roll + archaeology skill + clues − difficulty. Additional events can also trigger at the end of each excavation.

Site Chapter 1 rewards Chapter 2 rewards Chapter 3 rewards Chapter 4 rewards Chapter 5 rewards Chapter 6 rewards Requirements
Ancient Battle Site  
  •   Random Technology
  •   300-1000 Research
  •   5-10 Minor artifacts
        Uninhabitable planet
Strange Asteroid  
  •   Random Technology
  •   300-1000 Research
  •   5-10 Minor artifacts
          Asteroid
Moon Bump   1-5 Minor artifacts   120-350 research         Uninhabitable planet
Trench World   1-5 Minor artifacts   Random Technology           Barren
Beautiful Bubble   1-5 Minor artifacts   1-5 Minor artifacts   150-500 Society research       Uninhabitable planet
Beneath the Waves   1-5 Minor artifacts   1-5 Minor artifacts
  •   Random New Worlds Technology unlocked
  •   150-500 Society research if all techs are researched
        Ocean
Get to the Bottom   1-5 Minor artifacts   1-5 Minor artifacts
  •   Random New Worlds Technology unlocked
  •   150-500 Society research if all techs are researched
        Ocean
City of Bones   5 Minor artifacts   5 Minor artifacts
  •   150-500 Society research
  •   Deploy Tissue Growth Stimulants decision
  •    Construct Explosive Fungiform Housing Units decision
      Dry planet
Déjà Vu Dig   1-5 Minor artifacts   1-5 Minor artifacts   Random Technology       Uninhabitable planet
Hole in the Ground   1-5 Minor artifacts   1-5 Minor artifacts   Random Technology       Uninhabitable planet
Strange Flows   1-5 Minor artifacts   1-5 Minor artifacts   Random Technology         Molten
Too Angled   1-5 Minor artifacts   1-5 Minor artifacts   Random Technology       Uninhabitable planet
Dotted Archipelago   1-5 Minor artifacts   1-5 Minor artifacts   Random Society Technology         Ocean
Get Inside   1-5 Minor artifacts   1-5 Minor artifacts   Random Society Technology       Uninhabitable planet
Frozen Complex   1-5 Minor artifacts   1-5 Minor artifacts
  •   Plasma Accelerators technology
  •   120-350 Society research if already researched
        Frozen
Subterranean Hollows   1-5 Minor artifacts   1-5 Minor artifacts
  •   Hostile Environment Adaptation technology
  •   500 Society if already researched
      Habitable planet
Mutant Fossils   5 Minor artifacts   5 Minor artifacts   Mutation Vats Planetary Feature         Tomb
Robot Debris   1-5 Minor artifacts   1-5 Minor artifacts
  •   5-10 Minor artifacts
  •   300-1000 Engineering research
        Asteroid
Target from Orbit   1-5 Minor artifacts   1-5 Minor artifacts   150-500 research       Uninhabitable planet
Any Other Rock   1-5 Minor artifacts   1-5 Minor artifacts   1-5 Minor artifacts   Permanent +5% Unity empire modifier       Molten
Anyone Home?   1-5 Minor artifacts   1-5 Minor artifacts   1-5 Minor artifacts   Random Society Technology     Uninhabitable planet
Asteroid Blast Door   1-5 Minor artifacts   1-5 Minor artifacts   1-5 Minor artifacts   50-100 Minor artifacts       Asteroid
Gas Giant Structure   1-5 Minor artifacts   1-5 Minor artifacts   1-5 Minor artifacts
  •   6-10 Minor artifacts
  •   4000 Energy
      Gas Giant
The Echoes Inside   1-5 Minor artifacts   1-5 Minor artifacts   1-5 Minor artifacts   150-500 Society research       Barren
Fossilized Remains   1-5 Minor artifacts   1-5 Minor artifacts   1-5 Minor artifacts   1-5 Minor artifacts
  •   10-30 Minor artifacts
  •   Blade of the Huntress Relic
  Colony
Kleptomaniac Rats   6-10 Minor artifacts   6-10 Minor artifacts   6-10 Minor artifacts   6-10 Minor artifacts
  •   10-30 Minor artifacts
  •   Shard Leviathan awakens
    Relic
Whispers in the Stone   1-5 Minor artifacts   1-5 Minor artifacts   1-5 Minor artifacts   1-5 Minor artifacts
  •   10-30 Minor artifacts
  •   500 Rare Crystals
 
  • Colony
  •   Mining District
Ancient Tomb   1-5 Minor artifacts   1-5 Minor artifacts   1-5 Minor artifacts   1-5 Minor artifacts   1-5 Minor artifacts
  •   10-30 Minor artifacts
  •   Head of Zarqlan Relic
  • Mid-Game
  • Uninhabitable planet
  • Fallen Empire exists
Crashed Starship   1-5 Minor artifacts   1-5 Minor artifacts   1-5 Minor artifacts   1-5 Minor artifacts   1-5 Minor artifacts   10-30 Minor artifacts Uninhabitable planet
The Grand Herald   1-5 Minor artifacts   1-5 Minor artifacts   1-5 Minor artifacts   1-5 Minor artifacts   1-5 Minor artifacts
  •   1-5 Minor artifacts
  •   Titan (25-75% damaged)
    Dry planet

Precursor sitesEdit

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.

Precursor Site Chapter 1 rewards Chapter 2 rewards Chapter 3 rewards Chapter 4 rewards Chapter 5 rewards
Baol Grunur Ruins   5 Minor artifacts
  •   5 Minor artifacts
  •   The Barren site location
     
The Barren   5 Minor artifacts   5 Minor artifacts
  •   5 Minor artifacts
  •   The Shattered site location
   
The Shattered   5 Minor artifacts   5 Minor artifacts   5 Minor artifacts
  •   5 Minor artifacts
  •   The Silenced site location
 
The Silenced   5 Minor artifacts
  •   6-10 Minor artifacts
  •   Grunur system location
     
Zroni Abandoned Colony Ruins   1-5 Minor artifacts  
  •   1-5 Minor artifacts
  •   150-500 Society research
  •   Psionic Theory technology unlocked if not   Gestalt Consciousness
  •   Zroni Minor Colony site location
   
Zroni Minor Colony  
  •   1-5 Minor artifacts
  •   Zroni Major Colony site location
     
Zroni Major Colony    
  •   6-10 Minor artifacts
  •   Zron system location
   
Zron        
  •   10-30 Minor artifacts
  •   Psionic Archive relic

Excavation eventsEdit

If at the end of an Excavation phase 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 to get +3 Clues or do nothing and get -2 Clues

Media coverageEdit

A number of anomaly events can be solved in ways that will impact an empire's media views on the empire if not   Gestalt Consciousness. Such outcomes bring a   Happiness modifier for 10 years.

Media Coverage modifier Happiness
Extremely Positive +40%
Very Positive +25%
Positive +10%
Negative -10%
Very Negative -20%
Extremely Negative -30%