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