A great combination of zombie shooting and 'match-three' puzzling with an atmospheric (and bloody!) horror theme. Match up and pop the monster heads before they reach the barricade. Use grenades to get out of a tight spot.
Use the artillery to destroy as many enemy soldiers as you can. Blow up bridges, buildings and towers to complete each level. Try to collect as many stars as possible.
Protect the Kingdom of Magicka. Build special walls to direct the arcane enemies of the kingdom as your elemental cores prevent them from reaching the sacred halls.