Settlers 2: Gold

Settlers 2: Gold cheat codes: 
Type winter during game play to enable cheat mode.
An exclamation mark will confirm correct code entry.
Enter one of the following codes to activate the
corresponding cheat function. This will also unlock
all buildings except for the harbor.

Effect              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.
An option to build a HQ will appear.