Unlockables
The following codes are for the Dev only. Press the '~' (tilde) key and enter the following codes to unlock the corresponding effect in the game.
Unlock Invincibility:
Cheat_deathless_player 1
Unlock Super Jump:
Cheat_super_jump 1
Spawn ALL Vehicles:
Cheat_all_vehicles
Spawn ALL Weapons:
Cheat_all_weapons
Spawn Warthog:
Cheat_spawn_warthog
Unlock Infinite Active Camo:
Cheat_active_camouflage (active until Shot, Level ends or you Quit).
Unlock Infinite Ammo:
Cheat_infinite_ammo 1 (never lose ammo but Plasma guns will overheat).
Unlock Bottomless Clip:
Cheat_bottomless_clip 1 (have to realod but the Plasma guns don't overheat).
Hint:
Enter the 'Bottomless Clip' and 'Infinite Ammo' cheats together to have Plasma guns that never overheat and have infinite ammo.
If you need more help, we've got more Halo: Combat Evolved cheats and also check out all of the answers for this game
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