- Tactical challenges
Successfully complete the indicated task to unlock the corresponding challenge:

Challenge 2	Successfully complete Act 2 on the Normal or higher difficulty.
Challenge 3	Successfully complete Act 3 on the Normal or higher difficulty.
Challenge 5	Successfully complete Act 5 on the Normal or higher difficulty.
Challenge 4	Successfully complete Act 4 on the Normal or higher difficulty.
Challenge 1	Successfully complete Act 1 on the Normal or higher difficulty.
Challenge 6	Successfully complete all five challenges.

- Avoid losing weapon upgrades
When you die, you will lose a portion of your weapon upgrades. To prevent this from happening, simply choose to return to the 'Title Screen' instead of retrying after you die. Then, choose to 'Continue' your game from the title screen to keep all your weapon upgrades.

- Trophies
Successfully complete one of the following tasks to get a trophy:

Bronze Trophies
Piece by Piece	Destroy the arms, head, and back of an KNRB-0 Argus robot.
Stormng Grand Hill	Finish Act 2.
Space Normandy	Finish Act 1.
Hurry the #@$% Up!	Destroy five or more enemy transports from atop the Kreon in Act 3-7.
King of the Hill	Level a weapon up to maximum operational capability.
Flyswatter	Destroy all the floating turrets in Act 3-4.
40 Yard Dash	Maintain a Boost dash to the limit of the ARS reactor without overheating.
Fight or Flight	Manually trigger AR Mode and destroy an enemy robot.
Mission Accomplished	Finish Act 5 on Hard difficulty or above.
Robots Tend to Blow Up	Destroy three enemy robots at once with one hand grenade.
Romanov This!	Destroy a Romanov with a melee attack.
Knight in Shining White Armor	Revive 20 friendly troops.
Guardian	Do not allow any friendly armor to be destroyed during Act 3-5.
I Don't Speak Kreon!	Finish Act 3.
Two Birds with One Stone	Destroy two or more enemy robots at once with the LFE gun.
My Way	Finish Act 4.
Short Circuit	Destroy ten enemy robots that have been disabled with an EMP emitter.
Smoke 'em if ya got 'em!	Destroy 10 enemies distracted by cigarettes during one mission.
Home Run God	Destroy ten incoming missiles or grenades.
Gun Runner	Scan and acquire all weapons.
One Day at DARPA	Finish all DARPA training exercises.
Operation Overlord II	Finish Act 1 on Hard difficulty or above.
Trick Shot	Destroy three enemy robots at once with rocket launcher splash damage.
Helloooo, Nurse	Revive a friendly troop.
Buzzard Clearer	Destroy the Buzzard without allowing it to reach ground level in Act 5-1.
Cry on, Kreon!	Finish Act 3 on Hard difficulty or above.
Adrenaline Rush	Manually trigger AR Mode and destroy three enemy robots sequentially.
Hole-in-One	Destroy a Chicane with a hand grenade.
Failure Breeds Success	Destroy two Argus robots in Act 2-3 while they are in bipedal mode.
End to Major Combat Operations	Finish Act 5.
Leibniz Defense Agency	Defend the Pangloss statue in Act 3-2.
Brutality Bonus	Destroy a Romanov's arms and legs, then finish it with a melee attack.
Death Wish	Destroy three enemy robots while in damage-triggered AR Mode.
Ain't Life Grand?	Finish Act 2 on Hard difficulty or above.
Tightrope Walker	Destroy two cannons in Act 3-3 and complete the mission.
Going in for the Kill	Destroy two enemy robots with melee attacks.
That Ended Up Working Nicely	After taking control of the enemy transport in Act 2-2, do not let a single enemy escape.
Fisher is the Other Sam	Proceed on the monorail in Act 3-4 without being spotted by the enemy troops or searchlights.
Home Run	Destroy an incoming missile or grenade.
Civil Disobedience	Ignore the elevator begin order in Act 4-1. Instead, keep pushed position and destroy all reinforcements.
The High Way	Finish Act 4 on Hard difficulty or above.
Auld Land Syne	Destroy two enemy robots who have been distracted by a cigarette.
Silver Trophies
A Heartbreaker and Lifetaker	Destroy 100 enemy robots with melee attacks.
Survivor	Finish all Acts.
The Hand of God	Destroy two Romanovs sequentially using only melee attacks.
Flash! King of the Impossible	Destroy four enemies simultaneously with the Lock-on Laser.
The Best of All Possible Worlds	Find and fire open all of the Pangloss statues hidden on the colony.
Gold Trophies
Living Legend	Finish the game without dying, regardless of difficulty level.
ARS Operator	Finish all Acts on hard difficulty or above.
Platinum Trophies
Platinum	Gain all available trophies in Vanquish.

Gold Trophies
Tactical Challenger	Finish all of the Tactical Challenges.

- Easy 'Living Legend' trophy
If you die, simply choose to return to the 'Title Screen' instead of retrying, and the death will not count. Then, choose to 'Continue' your game from the title screen.

- God Hard mode
At the title screen, rotate the Right Analog-stick clockwise or counterclockwise twenty times to unlock the God Hard difficulty. If you entered the code correctly, you will hear a sound. Alternately, successfully complete the game on any difficulty.