The Orcs are attacking! The Orcs have always been peaceful but now that have found a portal to attack at you directly. Defeat the Orcs before they can leave their portal and enter yours, straight into your base. Build your towers, and make use of your spells in this 3D tower defense game. As you defeat the onslaught of Orcs you can use the money you earn to upgrade your towers and place down walls to funnel the Orcs to the bulk of your force. After you beat the regular game, try the other 4 different modes and fight back against the Orcs in every single one.