Matthias Worch (born 1976) is a German video game designer and computer graphics artist who works for Factor 5. He started out creating custom Doom and Quake levels. Matthias entered the computer game industry in 1998 when he moved to Dallas, TX to work on Ritual Entertainment's 3D First Person Shooter SiN. He has since contributed to several significant 3D games in recent history. Matthias has spoken at the Game Developers Conference and the IGDA.