Obsidian considered New Vegas to be a learning experience; it was the studio's first AAA game, and it taught the studio how to manage quality assurance.[2] Between The Sith Lords and New Vegas, Obsidian had built a reputation for creating games with technical problems.[7][3] The team was determined to change this with future titles, and made improvements to their bug-tracking system,[7] These improvements were applied to the studio's next project, Dungeon Siege III, a sequel to the Gas Powered Games-developed Dungeon Siege,[36] published by Square Enix.[37] The game received mixed reviews upon release in 2011, but it enjoyed a stable launch.[7] Dungeon Siege III was the first game to use Obsidian's own in-house Onyx engine.[38]