Monolith Productions (or simply Monolith) is a Kirkland, Washington-based computer game developer. Monolith is also known for the development of the graphical game engine LithTech, which has been used for most of their games. Between 1997 and 1999, Monolith also published games, some developed by the studio, some by third parties.In 2004, Monolith Productions was acquired by Warner Bros., a subsidiary of Time Warner.