Qube Software is a British company specialising in advanced 3D technology. It was founded in 1998 by Servan Keondjian and Doug Rabson who created the Reality Lab renderer and who subsequently played a leading role at Microsoft turning it into Direct3D. Qube Software has produced games, however, its main focus has been the development of 3D software that would address the key problems with 3D middleware Keondjian says he identified during his years working on Reality Lab and Direct3D.