Papyrus Design Group, Inc. was a computer game developer founded in 1987 by David Kaemmer and CEO Omar Khudari. Based in Watertown, Massachusetts, it is best known for its series of realistic sim racing games based on the NASCAR and IndyCar leagues, as well as the unique Grand Prix Legends. Papyrus was acquired by Sierra On-Line in late 1995 and Omar Khudari left Papyrus soon after that. Dave Kaemmer left Papyrus in late 2002, just before the release of NASCAR Racing 2003 Season (NR2003). The Papyrus website was shut down on April 5, 2004.