Games Research Group, Inc., which was initially part of Metagaming Concepts, was created as a separate entity on 1-Jan-1982 by Howard Thompson. The Games Research Group, Inc. copyright appears on several Metagaming-released products, such as the map and counters of Dragons of Underearth, the map and counters of Helltank Destroyer, the map and rulebook of Fire When Ready, and the map of Starleader: Assault!.