Here is the full list of all 40 XCOM: Chimera Squad achievements. It takes around 60-80 hours to unlock all of the achievements on Windows.
Relocate the same unit with Shelter and his ghost in one turn.
As Godmother, activate Overtime and down an enemy on both turns.
Use Claymore to detonate a Shrapnel Bomb with another explosive.
Use every Agent in at least one mission.
Kill an enemy with Axiom while Berserk.
Complete a mission with only one Agent left standing.
Replace an Agent mid-mission with an Android.
Clear an entire encounter during the Breach turn.
Win the campaign on Impossible difficulty.
Win the campaign.
Complete the Progeny Investigation.
Fully upgrade an Android.
Reach max rank with all Agents in a single campaign.
Use every type of Breach point.
Capture a Sorcerer.
Use Blueblood to hit 3 or more enemies with one Phase Lance shot.
Complete 20 Assembly Projects in a single campaign.
Complete the Sacred Coil Investigation.
Complete all of one Agent’s class training.
Complete every Spec Op at least once in a single campaign.
Have Kinetic Armor on all 4 squad members at once.
Buy 20 unique Scavenger Market items in a single campaign.
Use Zephyr to hit 3 or more enemies with one use of Crowd Control.
Move a VIP with Shelter’s Relocate and Torque’s Tongue Pull.
Capture a Ronin.
Use Verge to do 10 or more damage with one Mindflay.
Hack an enemy Android with Patchwork and trigger Self-Destruct.
Have Rank 3 Field Teams in all nine districts.
Unlock all Field Abilities.
Equip an Epic Weapon.
Have 8 Agents in the squad in a single campaign.
Complete an objective with an action from Terminal’s Cooperation.
Use Torque to Tongue Pull an enemy into poison.
Complete the Gray Phoenix Investigation.
Capture a Praetorian.
Complete a mission without killing a single enemy.
Complete an encounter by only dealing damage with melee attacks.
Launch a mission with no human agents in the squad.
Complete the tutorial.
Complete all versions of each Faction’s Takedown mission over multiple campaigns.