Here is the full list of all 47 Phoenix Point: Year One Edition achievements.
Cause an enemy to fall to its death
Scrap items worth 10000 total resources
Trade for 10000 total resources
Reach allied reputation with a faction
Max out the base stats of a soldier
Build a facility of each type
Kill 500 Pandorans (does not have to be in same game)
Kill a mindfragger with overwatch when it is jumping on someone's face
Recruit a soldier of each class (don't have to be in the same game)
Destroy Pandoran lair
Mind control 3 enemies at the same time with the same priest
Kill 3 enemies in a single turn, with a single soldier, without explosives
Kill a Siren when she has someone under mind control
Steal an aircraft
Reach aligned reputation with a faction
Fully build up a base
Survive an ambush mission
Control 4 phoenix bases
Beat a haven defense mission with no civilian deaths or no structural damage
Manufacture an air vehicle
Sabotage haven zone facility
Reach friendly reputation with a faction
Destroy Pandoran nest
Build a base facility
Recruit a soldier
Retrieve all resources from a scavenging mission
Complete a scan
Complete the tutorial
Manufacture an item
Evacuate a soldier who is bleeding
Deal with the Pandoran threat at any difficulty level
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
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)
Raid haven zone facility
Destroy Pandoran citadel
Steal a research
Complete all phoenix research projects
Complete all research projects of one faction
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)