While playing the game press F12 and type in the code you desire.
Cheat Effect
money 500 money
oil 5000 oil
supplies 5000 supplies
rare 5000 rare meterials
metal 5000 metal
energy 5000 energy
freedom Make any reform you want
acceptall AI accepts all your diplomatic deals
manpower 5000 manpower
event 1012 get blueprint of current research