To activate the following cheats, go to "Main Menu" > "Game Options", then choose the option to enable the console. Press ~ to display the console window, then enter "developer 1" as a command to enable cheat mode. Click the "Load" button that appears and select the desired level. After the level loads, press ~ to display the console window, then enter "devmap" as a command. During gameplay, press ~ to display the console window, then enter one of the corresponding codes:

CHEAT FUNCTION - CHEAT CODE
God mode - god
All weapons, full ammo, health and armor - give all
Refill ammunition and grenades - give ammo
Flight mode - ufo
No clipping mode - noclip
Ignored by enemies - notarget
Teleport to a node - jumptonode
Level select - map [level name]
Mission set select - /seta [mission set name]
Spawn inputted item - give [item name]
Commit suicide - kill

Level names
To skip to the following levels, input the corresponding values into the "map [level name]" code.

88 Ridge - 88ridge
Armored Car Escape - toujane_ride
Assault On Matmata - matmata
Bergstein - bergstein
Comrade Sniper - downtown_sniper
Crusader Charge - libya
Defending The Pointe - duhoc_defend
Demolition - demolition
Downtown Assault - downtown_assault
El Alamein - elalamein
Holding The Line - decoytown
Prisoners Of War - beltot
Railroad Station No. 1 - trainyard
Rangers Lead The Way - hill400_assault
Red Army Training - moscow
Repairing The Wire - tankhunt
Retaking Toujane - toujane
Stalingrad City Hall - cityhall
The Battle For Hill 400 - hill400_defend
The Battle Of Pointe Du Hoc - duhoc
The Brigade Box - breakout
The Crossing Point - rhine
The Crossroads - crossroads
The Diversionary Raid - decoytrenches
The End Of The Beginning - eldaba
The Silo - silotown
The Tiger - newvillers