Invincibility:
Start the game with the WC2 Origin -k command line (case-sensitive). 

Level Select:
Start the game with the WC2 Origins m w command line (case-sensitive).

Cheat Mode:
Start the game with the WC2 Origin command line (case-sensitive). Enter one of the following
codes to activate its cheat function. 

Function – Code

     Increase frame duration - Alt + Keypad Plus 
     Decrease frame duration - Alt + Keypad Minus 
     Toggle eject siren - O 
     Display current intelligence factor - I 
     Destroy cockpit sections - Alt + O 
     Inverse graphics - Ctrl + Alt + S 
     Destroy targeted ship - Alt + Delete 
     Destroy all non-capital ships - Alt + Insert 
     Show memory use - Alt + M 
     Self-destruct - Alt + Z