Here is the full list of all 50 Vanquish achievements. It takes around 15-20 hours to unlock all of the achievements on Windows.
Complete the game without dying, regardless of difficulty level.
Find and fire upon all of the Pangloss statues hidden on the colony.
Complete all of the Tactical Challenges in VANQUISH.
Defend the Pangloss statue in Act 3-2.
Destroy all the floating turrets in Act 3-4.
Destroy two Argus robots in Act 2-3 while they are in bipedal mode.
Destroy the arms, head, and back of an KNRB-0 Argus robot.
Destroy four enemies simultaneously with the Lock-on Laser.
Destroy two Romanovs in a row using only melee attacks.
Destroy 100 enemy robots with melee attacks.
Destroy 10 enemies distracted by cigarettes during one mission.
Complete all Acts.
Complete all Acts on Hard difficulty or above.
Complete Act 5.
Complete Act 5 on Hard difficulty or above.
Destroy the Buzzard without allowing it to reach ground level in Act 5-1.
Destroy a Romanov's arms and legs, then finish it with a melee attack.
Complete Act 4.
Complete Act 4 on Hard difficulty or above.
Ignore the elevator start order in Act 4-1. Instead, hold position and destroy all reinforcements.
Destroy a Chicane with a hand grenade.
Complete Act 3.
Complete Act 3 on Hard difficulty or above.
Destroy five or more enemy transports from atop the Kreon in Act 3-7.
Do not allow any friendly armor to be destroyed during Act 3-5.
Level a weapon up to maximum operational capability.
Proceed on the monorail in Act 3-4 without being spotted by the enemy troops or searchlights.
Destroy two cannons in Act 3-3 and complete the mission.
Complete Act 2.
Complete Act 2 on Hard difficulty or above.
Destroy a Romanov with a melee attack.
After taking control of the enemy transport in Act 2-2, do not let a single enemy escape.
Destroy ten incoming missiles or grenades.
Destroy two or more enemy robots at once with the LFE gun.
Scan and acquire all weapons.
Destroy three enemy robots at once with rocket launcher splash damage.
Destroy ten enemy robots with melee attacks.
Destroy ten enemy robots that have been disabled with an EMP emitter.
Manually trigger AR Mode and destroy three enemy robots in a row.
Maintain a Boost dash to the limit of the ARS reactor without overheating.
Complete Act 1.
Complete Act 1 on Hard difficulty or above.
Destroy three enemy robots while in damage-triggered AR Mode.
Destroy an incoming missile or grenade.
Destroy two enemy robots who have been distracted by a cigarette.
Revive 20 friendly troops.
Destroy three enemy robots at once with one hand grenade.
Manually trigger AR Mode and destroy an enemy robot.
Revive a friendly troop.
Complete all DARPA training exercises.