In message box type (left of the 1 button)

Give all= give's you all avaliable weapon's and extra's (999 ammo)

No target = no bad guys can see you

No clip = walk through wall's (cool 3D lay out)

give weapons = give all weapons

give ammo = ammo for all weapons

Give rocketlauncher = Rocket Launcher

Give rockets x = x is number of rockets you want

Give grenadelauncher = Grenade Launcher

Give grenades x = x is number of grenades you want

Give shotgun = Shotgun

Give shells x = x is the number of shells you want

Give machinegun = Gives Machine Gun

Give bullets x = x is number of bullets you want

God = God Mode

give health = give 100 health