Activate the following cheats by entering the corresponding codes at the console window:

CHEAT FUNCTION - CHEAT CODE
Take no damage - Cheat.GodMode()
Full health - Cheat.FullHealth()
Med pack - Cheat.GiveHealtex()
Energy Charger - Cheat.GiveOCS()
Standard Grenade - Cheat.GiveGrenade()
Banana Bomb - Cheat.ClusterGrenade()
Pistols - Cheat.GiveAmmo9mmShort()
8mm ammo - Cheat.GiveAmmo8mmLong()
12mm - Cheat.GiveAmmo12mmShort()
14mm Sniper ammo - Cheat.GiveAmmo14mmLong()
Rocket ammo - Cheat.GiveAmmoRockets()
Shotgun Shells - Cheat.GiveAmmoShotgun()
Energy for guns, not power suit - Cheat.GiveAmmoEnergy()
150 Damage 1m range - Cheat.GiveKnife()
Starting Pistol D40 R150 - Cheat.GiveTC234()
Silenced Pistol D35 R125 - Cheat.GiveTC234Sup()
Starting Rifle D55 R220 - Cheat.GiveMatsonCAFS()
Starting Sniper Rifle D220 R300 - Cheat.GiveMAXatron()
Starting Rocket Launcher D1250 R100 - Cheat.GiveGLDragoon()
BFG looking energy gun D250 R30 - Cheat.GiveOCIX4()
Doom looking plasma gun D400 R100 - Cheat.GiveLeRogue()
Half Life looking modded revolver D150 R250 - Cheat.GiveBjornHD()
Green machine sniper D90 R400 - Cheat.GiveTAINitron()
Uzi D40 R150 - Cheat.GiveC9A5()
Silenced Uzi D35 R200 - Cheat.GiveC9S()
Shotgun D350 R150 - Cheat.GiveNoNFrager()
Zoomable Sniper 4X zoom D90 R750 - Cheat.GiveMatsonACC()
Zoomable 50cal Sniper 8X zoom D220 R900 - Cheat.GiveOCICrom()