The Dungeon Siege Series is a collection of action role-playing video games developed by Gas Powered Games. The series began with the original Dungeon Siege released in 2002, which features real-time combat and a focus on party-based gameplay. Players explore a fantasy world, battling monsters and completing quests while managing a group of characters. Subsequent titles, including Dungeon Siege II and Dungeon Siege III, expanded the story and gameplay mechanics. The series is known for its immersive environments, cooperative multiplayer options, and a blend of strategic and action-oriented gameplay. It has garnered a dedicated fan base over the years.