
Atomic Planet Entertainment Ltd or Atomic Planet was a British video game developer founded in 2000 by Darren and Jason Falcus. Previously the brothers had managed Acclaim Studios Teesside, formerly Iguana UK and Optimus Software, which closed in 2002.

Blue Omega Entertainment was an American film and video game company, located in Annapolis, Maryland.

Destination Games was an American computer game development company created in April 2000 by Richard Garriott, Robert Garriott and Starr Long, following their departure from Origin Systems.

Empire Interactive was a British video game developer and publisher based in London. Founded in 1987 by Ian Higgins and Simon Jeffrey, it was acquired by Silverstar Holdings in 2006 and went out of business in 2009.

Grin was a video game developer based in Stockholm, Sweden. Founded by Bo and Ulf Andersson in 1997, Grin worked on numerous titles for the PC, consoles and arcade. The company became defunct in 2009, and its founders went on to create Overkill Software.

Groove Games was a Canadian developer and publisher of video game. Established in 2001, Groove Games had published more than 20 retail game titles on the PC, Xbox, and PlayStation 2 platforms.

Incognito Entertainment was an American video game developer based in Salt Lake City.

Metropolis Software was a Polish video game developer founded in 1992 by high school friends Adrian Chmielarz and Grzegorz Miechowski. The studio gained success in Europe with their titles.

Midway Studios – Newcastle Limited was a British video game developer based in Gateshead, England.

Pandemic Studios, LLC was an American video game developer based in Westwood, Los Angeles. Andrew Goldman and Josh Resnick founded the studio in 1998 after leaving Activision. Pandemic Studios, alongside BioWare, was acquired in 2005 by Elevation Partners and placed under VG Holding Corp., which in 2007 was sold to Electronic Arts (EA). EA closed Pandemic Studios in 2009. Pandemic Studios is known for a variety of titles, including Full Spectrum Warrior, Star Wars: Battlefront, Dark Reign 2, Destroy All Humans!, Mercenaries: Playground of Destruction, Mercenaries 2: World in Flames, Star Wars: Battlefront II and The Saboteur.

Santa Cruz Games was an American independent video game developer founded in 2001 in Santa Cruz, California, USA.

SCi Entertainment Group plc was a British video game publisher based in London. The company was founded in 1988 by Jane Cavanagh and floated on the stock exchange in 1996. In May 2005, SCi acquired Eidos, the parent company of publisher Eidos Interactive, and merged their operations by June 2006. In December 2008, SCi was briefly renamed Eidos and was subsequently taken over by Square Enix in March 2009.

SETA Corporation was a Japanese computer gaming company, founded on October 1, 1985 and dissolved on February 9, 2009. SETA was headquartered in Kōtō, Tokyo, with a branch in Las Vegas, Nevada.

Virgin PLAY S.A. was a Spanish video game distributor, and later a video game publisher.

World Forge was a Russian computer game developer located in Voronezh, Russia. The company was founded late 2004 and it employed about 50 people in 2008.