Cheat Mode
To enable the cheats, press I, type in "windy" and then press [Enter]:
[Alt]+[F1] - All spells
[Alt]+[F2] - Mana
[Alt]+[F3] - Destroys all players
[Alt]+[F4] - Destroys all castles
[Alt]+[F5] - Destroys all balloons
[Alt]+[F6] - Heal
[Alt]+[F7] - Kill all creatures
[Alt]+[F8] - Spell experience points
[Alt]+[F9] - Toggle free spell usage
[Alt]+[F10] - Toggle God mode
[Shift]+C - Finish current level
[Shift]+D - Finish current objective