Psygnosis Limited (known as SCE Studio Liverpool or simply Studio Liverpool from 1999) was a British video game developer and publisher headquartered at Wavertree Technology Park in Liverpool. Founded in 1984 by Ian Hetherington, Jonathan Ellis, and David Lawson, the company initially became known for well-received games on the Atari ST and Commodore Amiga. In 1993, it became a wholly owned subsidiary of Sony Computer Entertainment (SCE) and began developing the original PlayStation and later became a part of SCE Worldwide Studios. The company was the oldest and second largest development house within SCE's European stable of developers, and became best known for franchises such as "Lemmings", "Wipeout", "Formula One", and "Colony Wars".