During play, press Enter and type in the following: 

givemeanotherchance     Revive dead units - at least 1 must be alive
givememoney             5000 gold
iloveallofyou           Peace with everyone
iwanttobuildagain       Build again before next turn
iwanttokilleverybody    War with everyone
iwillkeepaneyeonyou     Enemy information
letmemove               Move again
makemestronger          Recover health
nobodycanbeatme         Instant win
nowicanseeyou           See full map
playhideandseek         Invisible 
upgrademe               Gain experience points
whataloseriam           Instant lose
whoturnedoffthelights   Hide full map