While playing a game, type "winter" to enable cheat mode. If you
 entered the code correctly, an exclamation mark will appear. Then,
 enter one of the following codes to activate the corresponding cheat
 function: 
 
 RESULT              CHEAT CODE
 View entire map     [Alt] + [F7]
 Change game speed   [Alt] + [F1] to [F6]
 
 Additional HQs
 
 Enable cheat mode. Clock on any flat area suitable for a fortress
 that is not controlled by yourself or an opponent. Then, an option to
 build a HQ will appear.