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