Press I to stop and hover during game play.
Type quick and press [Enter] to enable cheat mode..
Then, enter one of the following codes to activate the corresponding
cheat function.

Code
All the spells [Alt] + [F1]
More Manna [Alt] + [F2]
Destroy all players [Alt] + [F3]
Destroy all balloons [Alt] + [F4]
Destroy all castles [Alt] + [F5]
Heal [Alt] + [F6]
Destroy all creatures [Alt] + [F7]
Completes the level [Shift] + C
Level skip [Ctrl] + C