Obsidian Entertainment, founded in 2003 after the disestablishment of Interplay Entertainment's Black Isle Studios, is a video game developer for PC and console systems. Obsidian continues to operate under management by its founding officers: Feargus Urquhart, Chris Parker, Darren Monahan, Chris Avellone and Chris Jones. In July 2005 they hired Josh Sawyer of Icewind Dale fame. Several of the developers at Obsidian worked on Fallout, Fallout 2 and Van Buren (the canceled Fallout 3 project).
On April 20, 2009, Bethesda Softworks announced that a new game in the Fallout series, Fallout: New Vegas, was being developed by Obsidian. The game was released on October 19 of 2010.
- Star Wars: Knights of the Old Republic II: The Sith Lords (released for Xbox in 2004 and for PC in 2005)
- Neverwinter Nights 2 (released for PC in 2006)
- Neverwinter Nights 2: Mask of the Betrayer (released for PC in 2007)
- Neverwinter Nights 2: Storm of Zehir (released for PC in 2008)
- Alpha Protocol (May 28, 2010)
- Fallout: New Vegas (Oct 19, 2010)
- Dungeon Siege III (Jun 21, 2011)
- Wheel of Time (Future game, co-developers)
- South Park: The Stick of Truth (in development)
- Wasteland 2 (co-developers with InXile Entertainment)
- Project Eternity (development codename) (in development)
 See also