There's trouble at Professor Weardd’s School for Responsible Reanimation! The school has burned to the ground, taking the beloved headmaster along with it. Foul play is suspected and students are taking up…ahem…arms against their former classmates. Join the fray as a novice necromancer: assemble your undead minions during the day and send them into pitched combat under the cover of darkness.

Click groups of 3 or more puzzle pieces to gather resources. When night falls, deploy your shambling hordes! Destroy your opponent's workshop before he topples yours. There are five different zombie unit types powered by the four macabre resources - Blood, Flesh, Scrap, and Energy.