Submit the name SOYINCAPAZ to unlock the cheat mode. The cheat mode can also be
 activated during a mission typing SOYINCAPAZ after selecting a commando. Then
 you have in the game:

 [Shift][X]        - Place selected commandos under the pointer
 [Ctrl][I]         - Invincibility
 [Ctrl][V]         - Invisibility
 [Ctrl][-]         - Display frame rate
 [Ctrl][Shift][N]  - Mission skip
 [Ctrl][Shift][X]  - Destroy all opponents