God Hard mode:
Complete the game to unlock God Hard mode.
Alternatively, rotate the Right Analog-stick twenty times at the title screen.
Complete the game under the Normal difficulty to unlock Trial mode.
Unlock the following challenges by performing the corresponding tasks.
CHALLENGE - HOW TO UNLOCK
Challenge 1 - Complete Act 1.
Challenge 2 - Complete Act 2.
Challenge 3 - Complete Act 3.
Challenge 4 - Complete Act 4.
Challenge 5 - Complete Act 5.
Challenge 6 - Complete all five challenges.
Avoid losing weapon upgrades:
To prevent losing some of your weapon upgrades after dying, choose to return to the title screen instead of retrying. Then continue the game from the title screen.
Enemy eyes hint:
An enemy that is targeting you will have red eyes. If they are blue, it is targeting something else.
One Day at DARPA - Complete all DARPA training exercises.
Space Normandy - Complete Act 1.
Stormng Grand Hill - Complete Act 2.
I Don't Speak Kreon! - Complete Act 3.
My Way - Complete Act 4.
End to Major Combat Operations - Complete Act 5.
Operation Overlord II - Complete Act 1 on Hard difficulty or above.
Ain't Life Grand? - Complete Act 2 on Hard difficulty or above.
Cry on, Kreon! - Complete Act 3 on Hard difficulty or above.
The High Way - Complete Act 4 on Hard difficulty or above.
Mission Accomplished - Complete Act 5 on Hard difficulty or above.
Gun Runner - Scan and acquire all weapons.
King of the Hill - Level a weapon up to maximum operational capability.
Fight or Flight - Manually trigger AR Mode and destroy an enemy robot.
Adrenaline Rush - Manually trigger AR Mode and destroy three enemy robots in a row.
Going in for the Kill - Destroy two enemy robots with melee attacks.
Helloooo, Nurse - Revive a friendly troop.
Knight in Shining White Armor - Revive 20 friendly troops.
Death Wish - Destroy three enemy robots while in damage-triggered AR Mode.
40 Yard Dash - Maintain a Boost dash to the limit of the ARS reactor without overheating.
Home Run - Destroy an incoming missile or grenade.
Home Run God - Destroy ten incoming missiles or grenades.
Brutality Bonus - Destroy a Romanov's arms and legs, then finish it with a melee attack.
Romanov This! - Destroy a Romanov with a melee attack.
Robots Tend to Blow Up - Destroy three enemy robots at once with one hand grenade.
Hole-in-One - Destroy a Chicane with a hand grenade.
Short Circuit - Destroy ten enemy robots that have been disabled with an EMP emitter.
Two Birds with One Stone - Destroy two or more enemy robots at once with the LFE gun.
Trick Shot - Destroy three enemy robots at once with rocket launcher splash damage.
Piece by Piece - Destroy the arms, head, and back of an KNRB-0 Argus robot.
That Ended Up Working Nicely - After taking control of the enemy transport in Act 2-2, do not let a single enemy escape.
Failure Breeds Success - Destroy two Argus robots in Act 2-3 while they are in bipedal mode.
Leibniz Defense Agency - Defend the Pangloss statue in Act 3-2.
Tightrope Walker - Destroy two cannons in Act 3-3 and complete the mission.
Fisher is the Other Sam - Proceed on the monorail in Act 3-4 without being spotted by the enemy troops or searchlights.
Flyswatter - Destroy all the floating turrets in Act 3-4.
Guardian - Do not allow any friendly armor to be destroyed during Act 3-5.
Hurry the #@$% Up! - Destroy five or more enemy transports from atop the Kreon in Act 3-7.
Civil Disobedience - Ignore the elevator start order in Act 4-1. Instead, hold position and destroy all reinforcements.
Buzzard Beater - Destroy the Buzzard without allowing it to reach ground level in Act 5-1.
Smoke 'em if ya got 'em! - Destroy 10 enemies distracted by cigarettes during one mission.
Auld Land Syne - Destroy two enemy robots who have been distracted by a cigarette.
Survivor - Complete all Acts.
A Heartbreaker and Lifetaker - Destroy 100 enemy robots with melee attacks.
The Hand of God - Destroy two Romanovs in a row 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.
ARS Operator - Complete all Acts on hard difficulty or above.
Legend - Complete the game without dying, regardless of difficulty level.
Tactical Challenger - Complete all of the Tactical Challenges in Vanquish.
Platinum - Earn all Bronze, Silver, and Gold trophies.