Gary Grigsby's World at War is a 2005 computer wargame developed by 2 by 3 Games and published by Matrix Games. Gary Grigsby's World at War is a grand strategy computer wargame that simulates conflict in World War II. Gary Grigsby's World at War was announced in February 2004. 2 by 3 Games developed it concurrently with War in the Pacific a significantly more complicated title. The company's Joel Billings noted that playtesting World at War was relatively simple: "In WitP the longest scenario can last around 1700 turns while GGWaW's longest scenario lasts around 25 turns". It reached gold status in February 2005.