First while playing press [enter] and type the following:

king arthur =changes birds into dragons
steroids =build fast (really fast)
pepperoni pizza =1000 food
quarry =1000 stone
coinage =1000 gold
woodstock =1000 wood
bigdaddy =black car that shoots missiles
big momma =white car that shoots missiles
photon man =laser trooper
reveal map =reveals map (duh)
no fog =lifts fog
icbm =enhanced balistas and helopies
jack be nimble =catapults throw cows and villagers
diediedie = all opponents die
gaia =control animals not people
hoyohoyo =enhanced priest (walks like lightning, etc)
home run = win scenario
big bertha =catapults have greater range and damage
medusa =transforms villagers into medusa
black rider =turns horse archers into black riders
dark rain=turns compisite bowman into stealth bowman
flying dutchman =turns juggernaughts into flying dutchman
pow =baby on tricycle with a shotgun
stormbilly =robot trooper
e=mc2 trooper =nuke trooper that shoots nuclear missiles
convert this! =priest that shoots lightning bolts
upsidflintmobile =faster chariot archers
grantlinkspence =turns most animals into animal kings

Type them exactly as i have.

Cheat Master >:)