A UK video game developer based in Cheltenham. It would eventually be bought by Acclaim and become a subdivision of Acclaim Entertainment. The company started developing games in 1984, and was subsequently shut in 2004 when its parent company declared bankruptcy.

A now-defunct publisher and developer that was based in Chicago. Best known later in its life for the Mortal Kombat series, Midway's legacy traces back to early pinball and arcade releases, when the company was known as Williams.

An American toy and video game company who based their products around films, television and celebrities. Closed in 1994 by parent company Acclaim Entertainment.

A former sub-division of Mirrorsoft, Arena Entertainment was aquired by Acclaim in 1991, who used the name to publish games for Sega consoles. The brand name ceased to be used in 1995.

A UK game developer and publisher and part of the Virgin Group. Was originally known as Virgin Games Inc until 1994 when it was renamed Virgin Interactive Entertainment.