Enter the following codes at the campaign map:

.deadringer. - Get one million Florins
.viagra. - Get iron
.mefoundsomecu. - Get copper
.mefoundsomeag. - Get silver
.mefoundsomeau. - Get gold
.badgerbunny. - Unlock all units and buildings
.worksundays. - Get fast construction
.matteosartori. - Reveal full map
.conan. - Play as the rebels