Press 'Enter' during game-play and type in the following codes:
100,000 Gold: bskinti

Increas Structure Damage: bsdestroyer

Remove Fog of War: bsnofog

No Money Mode: bsrai

Change sides to selected Nation: bsswitch

Enemy Spies are shown on Knightbar: showspies
AI off for all Kingdoms: bsnoai

AI on for all Kingdoms, including yours: bsai