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