Richard Gray (also known as Levelord) is a video game designer who is best known for designing levels for 3D video games. His most famous works are perhaps the levels for Duke Nukem 3D and SiN. During development of the expansion for Duke Nukem 3D, he quit his position at 3D Realms to co-found the company that became Ritual Entertainment. With MumboJumbo's acquisition of Ritual and its transition from big-budget projects (like SiN Episodes) to casual gaming, he has been involved with smaller, more quickly developed and more experimental games.