Various cheats
     Use  notepad to edit the "bia.ini" file in the "system" folder in
the  game  directory.  Look  for the "[Engine.GameInfo]" heading, then
enter  the  line  "bCheatsEnabled=True" below it. Then, press ~ during
game play to display the console window.

Cheat code:             Effect:
allweapons              All weapons
walk                    Disable flight and no clipping mode
allammo                 Extra ammunition
fly                     Flight mode
loaded                  Get all items
god                     God mode
killall                 Kill everything
ghost                   No clipping mode
oldmovie                Old movie mode
unloaded                Remove all items
loadspmap [map name]    Select map
summon [item name]      Spawn indicated item
blindenemies [0 or1]    Toggle blind enemies
blindai [0 or 1]        Toggle blind AI
deafai [0 or 1]         Toggle deaf AI
deafenemies [0 or 1]    Toggle deaf enemies
invisible [0 or 1]      Toggle invisibility
gbxInventory.PickupWeapUSBar           Gives BAR
gbxInventory.PickupWeapUSBazooka       Gives Bazooka
gbxInventory.PickupWeapUSColt1911_     Gives Colt1911
gbxInventory.PickupWeapUSM1_           Gives M1
gbxInventory.PickupWeapUSM1Carbine     Gives M1 Carbine
gbxInventory.PickupWeapUSSpringfield   Gives Springfield
gbxInventory.PickupWeapUSThompson      Gives Thompson
gbxInventory.PickupWeapDEK98_          Gives KAR98
gbxInventory.PickupWeapDEK98Sniper     Gives KAR98 with scope
gbxInventory.PickupWeapDEMP40_         Gives MP40
gbxInventory.PickupWeapDEP38_          Gives P38
gbxInventory.PickupWeapDEPanzerfaust   Gives Panzerfaust
gbxInventory.PickupWeapDESTG44_        Gives STG44

Unlock all extras
     Create  a  new  profile  using  the  name  "BAKERSDOZEN" (without
quotes) and all levels and extras will be available.