Press ENTER, then activate the following cheats by entering the corresponding codes:

CHEAT FUNCTION - CHEAT CODE
Full map - see all
Display only explored map areas - hide all
1,000 Gold - give me gold
500 Wood - give me wood
100 Food - give me food
Invincible units - make me invincible
Units can be harmed - make me vulnerable
Level select - level
Select units have more experience - star me up
Selected units have upgrades - upgrade me
Selected units have all hit points restored - heal me
Level skip - make me victorious
Change name of selected unit - name