Your mission in this strategy defense game is to protect your evil keep and create undead units to kill all enemies in multiple game modes: skirmish, campaign, challenge and sandbox. Summon units to fight against the holy Paladin forces and use spells to aid your defense. Use YOUR MOUSE to control the game. A KEY selects all units, SPACEBAR KEY for pause, 1,2,3,4 KEYS to use spells. Good luck!