Orcs Must Die! was developed by Robot Entertainment, Inc and published by Microsoft Studios. It was released October 5, 2011 for 1200 MSP. A copy of the game was provided for review purposes.
Orcs Must Die! is an action tower defense game created by Robot Entertainment, an independent game development studio formed by veterans of Ensemble Studios, the creators of Halo Wars and the Age of Empires franchise. You play as a young War Mage who is promoted following a workplace accident by the previous defender and left within the orc homeland to defend 24 fortresses. These fortresses were built by The Order to protect magical rifts or portals that connect the worlds. Utilizing an arsenal of weapons, traps and spells you must stop the enraged mob of orcs and other villainous monsters from reaching these rifts and crossing over to your world.