No missable achievements (plus 114 unknown)
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Colonize a planet
Store/have 1000 EC
Research a Rare technology
Survey one of each basic planet class
Store/have 5000 EC
Successfully negotiate a trade deal
Have access to ten different Strategic Resources
Build a Robot Pop
Earn a total Mineral income each month above 250
Win a War against another Empire
Conquer another species' homeworld
Find the home system of a Precursor Empire
Upgrade your capital to an Imperial Complex
Build a fleet with a total fleet size above 120
Terraform a planet
Research 15 Rare technologies in a single game
Genetically alter a species (not uplift)
Explore a Natural Wormhole
Establish a Federation
Have an Empire total fleet power of 100,000+
Receive a gift from a Fallen Empire
Return a long-dead species to life
Uplift a species
Support the Artisan Troupe for 10 years
Have a planet with at least 100 Pops
Earn a total Mineral income each month above 1000
Purchase a rare resource from the Traders
Unlock all 42 Traditions
As an egalitarian Empire, own a planet with at least 10 different species on it
Recruit a scientist from the Curators
Have your ruler be of a different species class than your founding species
Successfully investigate an archaeological site
Own a Citadel with 40k fleet power
Own 4 active Gateways
Find a Relic
Have 3 other Empires as vassals
Win the game through any victory condition
Use the active effect of a Relic
Own 200 Starbases (Outposts are counted)
Breach the Shroud
Befriend a Space Amoeba
Construct a complete Science Nexus
Unseal the path to the L-Cluster
Earn at least 1000 Energy Credits per month from trade
Construct a complete Dyson Sphere
Defeat a horrifying invader
Restore an ancient warship
Construct a complete Sentry Array
Terraform a planet into a gaia world
As a materialist empire with at least 200 Pops, have at least 75% of the Pops be robotic
Uncover the secrets of an ancient fortress
Genetically modify a species to possess traits worth 7 points
Construct a complete Ring World
Have 100 Minor Artifacts
Evolve into perfect, immortal machines
Study Minor Artifacts and discover a random technology
Terraform a planet into a Machine World.
Close the loop, or don't
Defeat a Fallen Empire's Titan fleet with a Titan of your own
Open up a shielded world
Destroy a wraith
Kill the Great Khan in battle
Have a ringworld section as your capital
Destroy the portals employed by the invaders from another time and space
Hunt the Tiyanki Matriarch
Destroy the Scrapper Bot
Build a Habitat station in a Black Hole system
Have at least 4 fully operational Megastructures within your borders (Habitats, Ring Worlds and Gateways do not count)
Build a Strategic Coordination Center
Hatch the egg
Destroy an Enclave
Use a World Cracker to destroy another Empire's capital planet
Birth a new universe
Complete the Baol Precursor chain
Develop the means to prevent nefarious infiltration
Build a Matter Decompressor
As an authoritarian Empire with at least 500 Pops, have at least 200 enslaved Pops
Enlighten a bronze age civilization
Build an Interstellar Assembly
Slaughter the Voidspawn
As a Driven Assimilator, own cyborg Pops of at least 5 different species.
Be a founding member of the Galactic Community
Have at least 10 different species living under Utopian living conditions in your Empire
Shut down the Contingency plan.
Be a biological Hive Mind with at least 1000 drone Pops
As a xenophile Empire, have migration treaties with at least 10 other Empires
As a Determined Exterminator, conquer or eliminate all biological Empires in the galaxy.
As a pacifist Empire, have all other independent Empires be pacifist as well
As a Corporate empire, have a branch office on 5 different empires' capitals
Take a trophy from a stellar being
In one game, find 5 Relics from Ancient Relics Story Pack
As a humanoid species, infiltrate the homeworld of pre-FTL reptilians
Level up your Federation
Complete the Zroni Precursor chain
Successfully capture an extragalactic matriarch
Keep at least 5 different species as livestock in your Empire
As a xenophobic Empire, purge all other sentient species from the galaxy
Use a Global Pacifier to shield a planet belonging to Fanatic Purifiers, Ravenous Swarms, or Determined Exterminators
As a Rogue Servitor, own at least 10 Pops from Fallen Empires.
Lead the non-aligned powers to victory against an Awakened Empire
As a spiritualist Empire, own 4 holy worlds
Build a Mega-Art Installation in a nebula system
Have a Diplomatic Weight of over 9000
Invade pre-FTL Earth while it is in the midst of a world war
I won the Galatron and all I got was this lousy achievement
Build a Juggernaut
Destroy another Empire's Colossus while it is in the process of firing on a planet
Capture the Galatron from another empire
Construct a complete Mega-Shipyard
Be the leader of a max level Federation
Humiliate an Empire that is in the Supremacy Diplomatic Stance, forcing them out of it
Refuse to belong to any club that would have you as a member
Denounce an Empire that is not actually in breach of galactic law while all major sanctions have been passed
Have all eight ethics represented within your Federation