At the consoles, go to the leftmost console, move the pointer to left and right 
arrows, and use [Enter] to scroll letters around. When you have the one you 
want, move the pointer to "Confirm" and press [Enter]. The letter should appear 
at the bottom left of screen. When you have entered all the desired letters for 
the code, move the pointer to "OK", and press [Enter] to activate the 
corresponding cheat function. If you entered the code correctly, you will hear a 
sound. First, enter "CHEATON" as a code to enable cheat mode. Start a new game, 
then press [F2] to display the console to enter one of the following codes to 
activate the corresponding cheat function:

Result - Cheat Code
All inventory items - OGGOK 
All maps - ABRHAM21 
Access all "memories" - MEMOK 
Normal clothing - DRUUNA0 
Nude - DRUUNA1 
Corset, fishnet stockings, and boots - DRUUNA2 
Lara Croft costume - DRUUNA3 
Wonderwoman costumet - DRUUNA4 
Spiderman costume - DRUUNA5 
Zeros stats to avoid maxing out of game - ZEROK 
Pass levels AP0-AP9; Only works in levels AP0-AP9 - A50OK 
Normal light in the dark level - LUCEOK