These cheats are ONLY for the Custom Edition of Halo: Combat Evolved.

Open the properties window of the Halo shortcut and add “ -console –devmode” after the target. Start the game with the -console -devmode command line parameter. Press ~ during game play to display the console window, then enter one of the following codes to activate the corresponding cheat function. Codes do not work in online games.

• Instant deaths for enemies that see player: cheat_medusa
• Set game speed game: speed
• Clear console window: cls
• Unlimited ammo and no overheating for weapons: cheat_bottomless_clip
• Unlimited ammunition: cheat_infinite_ammo
• Super jumps: cheat_super_jump
• Possess touched character: cheat_bump_possession
• Invincibility: cheat_deathless_player
• Spawn Warthog: cheat_spawn_warthog
• Spawn all power-ups: cheat_all_powerups
• Spawn all vehicles: cheat_all_vehicles
• Spawn all weapons: cheat_all_weapons
• Teleport player to current camera position: cheat_teleport_to_camera
• Quit game: quit