Press the tilde key during gameplay to drop the console, allowing you to enter the codes:
Loaded - All ammo and most secondary weapons.
Ghost - Walk through walls
PlayersOnly - Freezes everything
AllAmmo - 999 ammo
Fly - Allows you to fly.
God - Makes you Invincible
Slomo X - where X is how fast the game will run
thematulaaklives for god mode
fierfek for ammo restoration
darman to skip a level
switchgrenade 5- throw ammo
set(health,size, ect.)scale (number)
throwweapon duplicate your weapon