Parallax Software was a video game developer best known for creating the Descent series of computer games. Parallax Software was started in 1993 by Matt Toschlog and Mike Kulas. After the release of Descent II in 1997, the company was split to form Volition, Inc. (Mike Kulas) in Champaign, Illinois, and Outrage Entertainment (Matt Toschlog) in Ann Arbor, Michigan. Both companies were later bought by the (now defunct) publisher THQ. In July 2003, Outrage was shut down, but Volition Inc.