Dungeon Siege: Throne of Agony for the PSP system is an all-new adventure, created from the ground up specifically for the handheld system. It features all-new playable characters and a freshly designed, non-linear, single player campaign as well as support for Ad Hoc co-operative and competitive multiplayer games.   15 hours of gameplay with 2 different modes Mercenary and Elite   Multiplayer Battle Arenas allow a concise, fun party experience for players who don't have time for a full campaign