Type "GONZOOPERA" during the game, now you have the following cheat
 keys.

 [Shift][V]        - Trace user
 [Shift][X]        - Tele-transport (place the selected commandos
                     under your mouse cursor)
 [Ctrl][I]         - You are invincible
 [Ctrl][Shift][N]  - Finish the mission
 [F9]              - Information about the level
 [Ctrl][Shift][X]  - Judgement day
 [Alt][I]          - Items
 [Shift][F4]       - Trace Commandos
 [Crtl][F9]        - Show Debug Output
 [Alt][F11]        - Ventana (WINDOW) Help
 [Alt][Shift][M]   - Write to MEMACT.DAT
 [Alt][Shift][L]   - Write to MEMLIN.DAT
 [Alt][I]          - Picte Interface

 Alternate Cheat:

 Just add the line

 .DEVELOP 1

 to the commandos.cfg then you can use the following codes:

 [Shift][X]        - Tele-transport (place the selected commandos
                     under your mouse cursor)
 [Ctrl][I]         - You are invincible
 [Ctrl][Shift][N]  - Finish the mission

 Level codes:

          US version   German version

 Level 2: YBN9J        WNNOV
 Level 3: XAPIB        3LRVL
 Level 4: QDOAU        EUJZR
 Level 5: IIWAY        68EKF
 Level 6: EW82M        HK1YJ
 Level 7: SJ8S1        XGBNS
 Level 8: V6J27        YRGOV