Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
40 Yard Dash ( 30 points )	Maintain a Boost dash to the limit of the ARS reactor without overheating.
A Heartbreaker and Lifetaker ( 30 points )	Destroy 100 enemy robots with melee attacks.
ARS Operator ( 50 points )	Complete all Acts on Hard difficulty or above.
Adrenaline Rush ( 20 points )	Manually trigger AR Mode and destroy three enemy robots in a row.
Ain't Life Grand? ( 25 points )	Complete Act 2 on Hard difficulty or above.
Auld Lang Syne ( 15 points )	Destroy two enemy robots who have been distracted by a cigarette.
Brutality Bonus ( 10 points )	Destroy a Romanov's arms and legs, then finish it with a melee attack.
Buzzard Beater ( 30 points )	Destroy the Buzzard without allowing it to reach ground level in Act 5-1.
Civil Disobedience ( 30 points )	Ignore the elevator start order in Act 4-1. Instead, hold position and destroy all reinforcements.
Cry on, Kreon! ( 25 points )	Complete Act 3 on Hard difficulty or above.
Death Wish ( 20 points )	Destroy three enemy robots while in damage-triggered AR Mode.
End to Major Combat Operations ( 15 points )	Complete Act 5.
Failure Breeds Success ( 15 points )	Destroy two Argus robots in Act 2-3 while they are in bipedal mode.
Fight or Flight ( 10 points )	Manually trigger AR Mode and destroy an enemy robot.
Fisher is the Other Sam ( 15 points )	Proceed on the monorail in Act 3-4 without being spotted by the enemy troops or searchlights.
Flash! King of the Impossible ( 30 points )	Destroy four enemies simultaneously with the Lock-on Laser.
Flyswatter ( 20 points )	Destroy all the floating turrets in Act 3-4.
Going in for the Kill ( 10 points )	Destroy ten enemy robots with melee attacks.
Guardian ( 10 points )	Do not allow any friendly armor to be destroyed during Act 3-5.
Gun Runner ( 10 points )	Scan and acquire all weapons.
Helloooo, Nurse ( 5 points )	Revive a friendly troop.
Hole-in-One ( 5 points )	Destroy a Chicane with a hand grenade.
Home Run ( 10 points )	Destroy an incoming missile or grenade.
Home Run God ( 10 points )	Destroy ten incoming missiles or grenades.
Hurry the #$% Up! ( 10 points )	Destroy five or more enemy transports from atop the Kreon in Act 3-7.
I Don't Speak Kreon! ( 15 points )	Complete Act 3.
King of the Hill ( 20 points )	Level a weapon up to maximum operational capability.
Knight in Shining White Armor ( 15 points )	Revive 20 friendly troops.
Leibniz Defense Agency ( 10 points )	Defend the Pangloss statue in Act 3-2.
Living Legend ( 50 points )	Complete the game without dying, regardless of difficulty level.
Mission Accomplished ( 25 points )	Complete Act 5 on Hard difficulty or above.
My Way ( 15 points )	Complete Act 4.
One Day at DARPA ( 10 points )	Complete all DARPA training exercises.
Operation Overlord II ( 25 points )	Complete Act 1 on Hard difficulty or above.
Piece by Piece ( 20 points )	Destroy the arms, head, and back of an KNRB-0 Argus robot.
Robots Tend to Blow Up ( 10 points )	Destroy three enemy robots at once with one hand grenade.
Romanov This! ( 20 points )	Destroy a Romanov with a melee attack.
Short Circuit ( 20 points )	Destroy ten enemy robots that have been disabled with an EMP emitter.
Smoke 'em if ya got 'em! ( 30 points )	Destroy 10 enemies distracted by cigarettes during one mission.
Space Normandy ( 15 points )	Complete Act 1.
Storming Grand Hill ( 15 points )	Complete Act 2.
Survivor ( 30 points )	Complete all Acts.
That Ended Up Working Out Nicely ( 10 points )	After taking control of the enemy transport in Act 2-2, do not let a single enemy escape.
The Best of All Possible Worlds ( 30 points )	Find and fire upon all of the Pangloss statues hidden on the colony.
The Hand of God ( 30 points )	Destroy two Romanovs in a row using only melee attacks.
The High Way ( 25 points )	Complete Act 4 on Hard difficulty or above.
Tightrope Walker ( 10 points )	Destroy two cannons in Act 3-3 and complete the mission.
Trick Shot ( 20 points )	Destroy three enemy robots at once with rocket launcher splash damage.
Two Birds with One Stone ( 20 points )	Destroy two or more enemy robots at once with the LFE gun.