
Budcat Creations was a video game developer based in Iowa City, Iowa, United States and was a wholly owned subsidiary of Activision, though they formerly had partnerships with Electronic Arts and Majesco Entertainment. They were largely responsible for porting titles to non-target consoles. They had worked on a number of blockbuster gaming franchises, among them Guitar Hero, Madden NFL, and Medal of Honor. They have also produced a few original titles, including Blast Works: Build, Trade, Destroy and The New York Times Crosswords.

Cavia Inc. was a Japanese video game developer. The company name was apparently an acronym for Computer Amusement Visualizer, although the company web site also claims it refers to caviar.

CDV Software Entertainment AG was a German publisher of video games founded 1989 in Karlsruhe. On April 17, 2000 cdv became a Frankfurt stock market traded company. In the beginning of the 2000s CDV was the biggest German publisher in the German video game market. They opened a UK office in 2008. In 2010, VG247 reported that they filed for preliminary insolvency when SouthPeak Games failed to pay a settlement.

Cing Inc. was an independent video game developer based out of Fukuoka, Japan. The company, a small development house employing only 29 people, was founded in April 1999, and was run by Takuya Miyagawa, who served as President and CEO. Miyagawa also acted as the producer on all of Cing's titles. The company filed for bankruptcy on March 1, 2010.

Rebellion (Derby) Ltd was a British video game developer based in Derby. Founded in May 1988 by former Gremlin Graphics employees, it originally bore the name Megabrite until rebranding as Core Design in October the same year. The company was acquired by umbrella company CentreGold in December 1994, which in turn was acquired by Eidos Interactive in April 1996. Following the latter acquisition, Core Design was re-organised as a subsidiary of Eidos Interactive, while other CentreGold components were either closed or sold off. In May 2006, the Core Design personnel and assets were acquired by Rebellion Developments, and the company became Rebellion Derby, which was then shut down in March 2010.

Dimple Entertainment was a Japanese video game developer and publisher founded in November 2005 and headquartered in Chiyoda, Tokyo. They released a number of games beginning with Ayakashibito in August 2006, and would go on to develop and release others for the PlayStation 2, PlayStation Portable, and Nintendo DS. The company worked with other developers such as HuneX, Microvision, and Vanillaware before closing its doors in August 2010.

Entertainment Software Publishing, Inc. (ESP) was a Japanese video game publisher headquartered in Shibuya, Tokyo. It was founded in 1997 as a publisher for games developed by the Game Developers Network (GD-NET). GD-NET, which included companies such as Treasure and Game Arts, was established due to concerns over smaller developers not having the same financial backing like larger game companies did, as production of console games was beginning to rise. ESP was best known for publishing shoot 'em ups and role-playing games. While primarily a publisher, ESP also developed a handful of games internally.

Jack of All Games, Inc. was an American distributor of video games and video game-related hardware based in West Chester Township, Ohio. Founded by David Rosenbaum in 1989, the company was sold to Take-Two Interactive in August 1998. Through a series of acquisitions and mergers, Jack of All Games expanded by nine further offices in nine different countries between February and October 1999. Following an outsourcing deal in October 2008, the company was sold to Synnex in February 2010, where it was merged into Synnex' New Age Electronics division.

Koei Co., Ltd. was a Japanese video game publisher, developer, and distributor founded in 1978. The company is known for its "Dynasty Warriors" games based on the novel Romance of the Three Kingdoms, as well as simulation games based on pseudo-historical events.

Krome Studios Melbourne, originally Melbourne House, was an Australian video game development studio founded in 1980 by Alfred Milgrom and Naomi Besen and based in Melbourne, Australia. The studio operated independently from 1987 until 1999, when it was acquired by Infogrames, who changed the name to Infogrames Melbourne House Pty Ltd.. In 2006 the studio was sold to Krome Studios.

Luxoflux was an American video game developer founded by Peter Morawiec and Adrian Stephens in January of 1997, and was based in Santa Monica.

Magnetic Fields was a British game development company founded in February 1982 and best known for developers Shaun Southern and Andrew Morris. The company was originally named "Mr Chip Software" but renamed "Magnetic Fields Ltd." usually simply referred to as "Magnetic Fields", in 1988.

Monte Cristo was a French computer game developer and publisher, based in Paris. It was established in 1995 by former Credit Suisse First Boston vice-president Jean-Marc de Fety and former Mars & Co strategy senior consultant Jean-Cristophe Marquis. The company was led by Jean-Christophe Marquis and Jérome Gastaldi since 2002. Monte Cristo declared bankruptcy in May 2010 following poor sales of Cities XL.
Nibris was a video game development company located in Krakow, Poland, developing primarily for the Nintendo DS and Wii video game consoles. Nibris was most known for its cancelled Wii project Sadness, a survival horror game. The company no longer exists; its official website closed in February 2010, making Double Bloob the only game developed. and was reported later in October to have been transformed into a coordinator for the European Center of Games, ceasing game development permanently. Remaining Nibris staff and projects were also reported to have been handed over to Bloober Team, another game developer.

Offset Software was a video game development company based in Newport Beach, California. It was founded by Sam McGrath, Travis Stringer, Trevor Stringer and Rod Green; except for Green, they had worked for S2 Games developing Savage: The Battle for Newerth, which won the grand prize at the Independent Games Festival in 2004.

Point of View, Inc. was a privately held developer of video games headquartered in Irvine, California. The company was dissolved in 2010.

Realtime Worlds Ltd. was a British video game developer based in Dundee, Scotland. The company was founded by David Jones in 2002. After developing Crackdown (2007) and APB: All Points Bulletin (2009), Realtime Worlds filed for administration in August 2010.

RedOctane was an American electronic entertainment company best known for producing the Guitar Hero series beginning in November 2005. RedOctane became a wholly owned subsidiary of Activision in 2006. In February 2010, Activision closed the RedOctane division.

Reflexive Entertainment was a video game developer based in Lake Forest, California. The company was cofounded by Lars Brubaker, Ernie Ramirez, James Smith and Ion Hardie in 1997. They developed nineteen games independently, published two games, started distribution of downloadable casual games on their online Arcade, created a division of their Arcade entirely devoted to Mac games for Mac users and started hosting ad supported free online web browser games. In 2005, Reflexive's Wik and the Fable of Souls won three awards at the 2005 Independent Games Festival which included Innovation in Visual Art, Innovation in Game Design and the Seumas McNally Award For Independent Game Of The Year. In October 2008, Reflexive Entertainment was acquired by Amazon.com. On February 3, 2009, Amazon.com began hosting casual game content for internet download.

Sega Studios San Francisco, formerly known as Secret Level, Inc., was an American video game developer based in San Francisco, California. It was founded in December 1999 by Jeremy Gordon, Otavio Good, and Josh Adams.

Surreal Software was a video game developer based in Kirkland, Washington, United States, and a subsidiary of Warner Bros. Interactive Entertainment, known for The Lord of the Rings: The Fellowship of the Ring, The Suffering and Drakan series. Surreal Software employed over 130 designers, artists, and programmers. Surreal was acquired by Warner Bros. Games during the bankruptcy of Midway Games in July 2009. After a significant layoff in January 2011, the remaining employees were integrated into WBG's Kirkland offices, along with developers Monolith and Snowblind.

Underground Development, Ltd. was an American video game developer based in Foster City, California. The company was founded in 1994 by David Luntz and sold to Activision in May 2002. Following a rebranding to Underground Development in February 2008, the company was closed in February 2010.

Universomo Ltd. was a Finnish video game developer based in Tampere, Finland. It was founded in 2002, and acquired by THQ on May 9, 2007. Universomo also has offices in Helsinki, Finland and San Diego, United States. Universomo was focused on games for mobile phones, the iPhone and the N-Gage. On January 12, 2010 THQ announced a Nintendo DS game Beat City developed by Universomo, marking the developer's first entry to the handheld gaming market.

Zushi Games was a British video game publisher. Based in Sheffield, Zushi is the owner of the multi-million selling Premier Manager series and best known for Alien Hominid. Zushi publishes titles for the Nintendo DS, Wii, Game Boy Advance, PlayStation 2, PC and Xbox.