Nine (9)

Begin a new game and at the entrance door, 
type the code "120763-090665". Hold the "CTRL" 
key and click on "OK". Push "CTRL" and "0" et 
choose to not save the game. Open one of you 
old savegame et from this point, you can use 
one of the following Cheat Codes.

LOBBY
DRUM
HALL1
TAPESTRY
GARAGE
CHASM
DALI
ATTIC
CELLAR
VRROOM
JUNGLE

After you type the code you have to press 
"Enter" and you will be transported directly 
into the chosen area of the game.