Cheat Codes:Activate the following cheats by pressing Back to display the objectives window, and then entering the corresponding sequences of buttons. Note: Enabling a cheat will disable the earning of Achievements. In order to re-enable the earning of Achievements after enabling a cheat, you must delete all save game files and start over:CHEAT FUNCTION – CHEAT CODEInvincibility – Down, Up, Down(2), Up, Right, Left, Right, Y, X(2), A. (Your health meter decrease, but will never reach zero.)All weapons, full ammunition, full health – Up(2), Down(2), Left, Right, Left, Right, B, A.Full health – B, A, B, A, Up(2), Down, X.Full ammunition – B, A, X, Y, Left, Right, Left.Points glitch:This trick requires four people; two on each team. Set the game to Arena CTF Endurance. The person who wants the points must score nine flags and achieve an in-game score of 101. Then, have his partner kill himself 100 times. This will give the player 3,300 points. Let the timer run out and the points will register. Note: Do not score the last flag or the points will reset.Achievements (Single-Player):ACHIEVEMENT – HOW TO UNLOCKPrivate (15 points) (Act 1) – Beat Act 1 with the rank of Private.Private (20 points) (Act 2) – Beat Acts 1 and 2 with the rank of Private.Private (25 points) (Defeated the Strogg) – Beat the game with the rank of Private.Corporal (25 points) (Act 1) – Beat Act 1 with the rank of Corporal.Corporal (25 points) (Act 2) – Beat Acts 1 and 2 with the rank of Corporal.Corporal (30 points) (Defeated The Strogg ) – Beat the game with the rank of Corporal.Lieutenant (25 points) (Act 1) – Beat Act 1 with the rank of Lieutenant.Lieutenant (25 points) (Act 2) – Beat Acts 1 and 2 with the rank of Lieutenant.Lieutenant (30 points) (Defeated The Strogg ) – Beat Acts 1 and 2 with the rank of Lieutenant.General (25 points) (Act 1) – Beat Act 1 with the rank of General.General (25 points) (Act 2) – Beat Acts 1 and 2 with the rank of General.General (30 points) (Defeated The Strogg) – Beat the game with the rank of General.Blaster Master (15 points) – Beat a level using only the blaster.Hyperactive (15 points) – Beat a level using only the hyperblaster.Blazing Buckshot (15 points) – Beat a level using only the shotgun.The Machine (15 points) – Beat a level using only the machine gun.Tooth and Nail (15 points) – Beat a level using only the nailgun.Pineapple King (15 points) – Beat a level using only the grenade launcher.Ballistics Expert (15 points) – Beat a level using only the rocket launcher.Enlightening (15 points) – Beat a level using only the lightning gun.The Dark Lord (15 points) – Beat a level using only the DMG.The Sniper (15 points) – Beat a level using only the railgun.Full Arsenal (20 points) – Beat a level where a shot with every weapon hits.Untouchable (10 points) – Beat a level without taking damage.Solar Star of Courage (20 points) – Fight alongside Viper Squad (Hangar 2).Sky Marshall