To enable cheat mode simply type !!##%%&&. This has to be done 
for every new mission. A message should come up "Cheat codes enabled".

Code               Result 
CTRL+M          Reveal Map 
CTRL+T           Know All Technology 
CTRL+U          Toggle Mortal/Immortal King Mode 
CTRL+A          Toggle Debug Messages 
CTRL+D          Toggle AI Info 
CTRL+\ +1000 Food 
CTRL+C +1000 Treasure 
CTRL+Z          Fast Build Mode 
CTRL+; +10     Population in Selected Town 
CTRL++          Seat of Power Full 
ALT+CTRL+E  -10 Reputation 
ALT+CTRL+R  +10 Reputation 
ALT+CTRL+K  -20 Damage to Selected Building 
ALT+CTRL+J  +20 Damage to Selected Building 
ALT+CTRL+X  -1000 Treasure 
ALT+CTRL+C  -1000 Food