Here is the full list of all 80 Pandora: First Contact achievements.
Change ground elevation.
Use the planetary market.
As James Heid, clear a hive before native aliens turn aggressive.
Build a Titan Mech.
Develop a city with more than 100 production per turn.
Develop a city to produce more than 100 minerals per turn.
Kill all native aliens on Pandora.
Forge an alliance with another faction.
Promote 5 or more units with a single Field Training operation.
Enter the Transcendence Era.
Build a nuclear launch center.
Develop a city with more than 100 research per turn.
Develop a city to produce more than 100 food per turn.
Kill an Aspidoch.
Attain maximum rank with a unit.
Enter the Mechanization Era.
Purchase 200 production items.
Kill a Leviathan.
Develop a city with more than 10 morale.
Declare war on another faction.
Execute a flank attack.
Have unrest in a city.
Win an economic victory.
Native aliens turn aggressive.
Add a device to a unit design.
Deploy an operation.
Complete a project.
Build a second city.
Explore an observatory.
Refit a unit.
Reassign city territory acquisition.
Accumulate 1.000.000 credits across any number of playthroughs.
As Alpheus Schreiber, explore 4 ruins before turn 24.
Use a Spitter unit against a Hive.
Build a Fort on a choke point.
Capture 100 enemy cities.
Clear 100 hives.
Convert a native alien to your side.
Convert an Aspidoch to your side.
Convert a Leviathan to your side.
Destroy an enemy city.
Eliminate a faction from Pandora.
As Eric Preston, forge an alliance with James Heid.
Explore 100 ruins.
Explore the whole planet.
Finish a multiplayer game.
Start a game on random alien aggression, difficulty, world size and shape.
Damage 3 or more units with a single operation.
As Lilith Vermillion, produce 5 troopers before turn 18.
Build or refit an aircraft with the Sonic Environment Evaluation device.
Build or refit an artillery tank with the Assault Tactics Tweaker device and no armor.
Build a black hole generator.
Build or refit a trooper with the Healing and Universal Maintenance device.
Reassign population tasks.
Sink a Transport with a Bombardment operation.
Start a multiplayer game with the drop-in option enabled.
As Vivian Gardinier, produce or refit a unit with the Deadlock Elusion Field device.
Achieve every victory type.
Win a game on hard difficulty or higher.
Win a game on very hard difficulty and very high alien aggression.
Win a game on a large size world or larger.
Win a game on medium difficulty or higher.
Win a military victory.
Win a multiplayer game.
Win a research victory.
Win a game on a small size world or smaller.
Win a game on a medium size world.
Win a game on very hard difficulty.
Win a game on very high alien aggression.
Win a game with Terra Salvum.
Win a game with Noxium Corporation.
Win a game with every faction.
Win a game with Divine Ascension.
Win a game with Solar Dynasty.
Win a game with Imperium.
Win without losing any units to aliens on medium alien aggression or higher.
Win without losing any units to aliens on very high alien aggression.
Win a game with Togra University.
As Yun Xi, produce a Replicant Factory building.
Win a game on high alien aggression or higher.