Deal with the Pandoran threat at any difficulty level
Complete all research projects of one faction
Build a facility of each type
Cause an enemy to fall to its death
Recruit a soldier of each class (don't have to be in the same game)
Kill a Siren when she has someone under mind control
Reach allied reputation with a faction
Kill 500 Pandorans (does not have to be in same game)
Max out the base stats of a soldier
Destroy Pandoran lair
Control 4 phoenix bases
Reach aligned reputation with a faction
Beat a haven defense mission with no civilian deaths or no structural damage
Evacuate a soldier who is bleeding
Kill a mindfragger with overwatch when it is jumping on someone's face
Manufacture an air vehicle
Fully build up a base
Survive an ambush mission
Reach friendly reputation with a faction
Destroy Pandoran nest
Build a base facility
Recruit a soldier
Complete a scan
Manufacture an item
Complete the tutorial
Beat the game without allying with any faction
Deal with the Pandoran threat at hero difficulty level
Deal with the Pandoran threat at legend difficulty level
Complete all different game endings
Trade for 10000 total resources
Scrap items worth 10000 total resources
Capture each type of Pandoran (don't have to be in the same game)
Manufacture an item of each type (don't have to be in the same game)
Sabotage haven zone facility
Raid haven zone facility
Steal an aircraft
Destroy Pandoran citadel
Steal a research
Complete all phoenix research projects
Complete Scylla Vivisection
Complete all research projects (don't have to be in the same game)
Obtain solders of each dual class combination (don't have to be in the same game)
Use every character skill (don't have to be in the same game)
Reach allied reputation with all factions (don't have to be in the same game)