1942: Pacific Air War:
RASTA: enables cheat mode.

9:
Begin a new game. At the entrance door, type the code 120763-090665. Hold the CTRL key and click OK. Press CTRL-0 and choose to not save the game. Open one of your old savegames and, from this point, you can use any of the following level codes. Hit ENTER after each code.
LOBBY
DRUM
HALL1
TAPESTRY
GARAGE
CHASM
DALI
ATTIC
CELLAR
VRROOM
JUNGLE