Cheats:

 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] and choose to not save the game. Open one of your old
 savegames and 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 a Cheat Code push the [Enter] key to validate and
 you'll be transported directly into an another area of the game...