Orcs Must Die! Unchained will be free when it's released, but you can start playing the Alpha now for $150

Orcs Must Die! Unchained will be a PC-exclusive free-to-play "Fortress Siege" multiplayer game when it's released in late 2014, developer Robot Entertainment has announced. Orcs Must Die! and Orcs Must Die! 2 offered a more action-oriented spin on the tower defense genre, asking you to defend your castle against hordes of orcs by setting traps and fighting them yourself from a third-person perspective. "After the first game, fans told us they wanted cooperative gameplay, and we were thrilled to ...