Stronghold Cheat Codes
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Start the game with STRONG DEBUG to activate the codes:
ALT-C   Change character
ALT-P   Promote character
ALT-L   Increase character level (click on character after pressing it)
ALT-K   Destroy an enemy stonghold
ALT-Z   Destroy enemy units
ALT-B   Change building type by one
ALT-F   Change building type by ten