Type these codes during the game:

 Cheater 1              Cheat mode ON
 Cheater 0              Cheat mode OFF
 MyBrainIsFaster 1      Fast research ON
 MyBrainIsFaster 0      Fast research OFF
 Limit_Up X             Increase units limit, where X might be any number
 MoneyForNothing X      Increase money, where X might be any number
 ByeBye                 Lose scenario
 Shower                 Lightning Rain
 beautifulmoon 1        Show map
 beautifulmoon 0        Hide map
 hotground              Place mines
 GoHome!                Destroys your selected building
 Smash                  Destroys selected enemy building
 JudgementDay           Destroys all enemies in view
 ScienceForNothing      Free research
 HereYouAre!            Shows all enemies in view
 Hide                   Replaces fog of war in view
 Moonlight              Removes fog of war in view
 NobelPrize             Research everything
 Tromaville             Damages all visible enemies
 IDKA                   Better shields for all vehicles and planes and building + ammo complete

 Not known so far:

 NewOne, UltraScience