Square Enix has today confirmed that the next instalment of the Dungeon Siege series will launch on 27, May 2011 on PC, Xbox 360 and PS3.

Limited Edition pre-orders have launched today for Dungeon Siege III, the action RPG from Obsidian Entertainement, the developer behind Fallout: New Vegas. Playing as one of four legionnaires in the crumbling kingdom of Ehb, you find youself fighting for the sake of your fallen comrades as you make vital decisions that can change the course of the game.

They'll also be a heavy focus on multiplayer with drop-in co-op play confirmed. “With DUNGEON SIEGE III we are bringing the rich world and lore of Ehb to an all new audience,” said Ned Browning, Brand Manager at Square Enix. “The depth of story and wealth of characters and classes will take players on an incredible journey whether in singleplayer or with up to three friends online.”