From Longman Dictionary of Contemporary Englishwar gameˈwar ˌgame noun [countable] 1 PMDan activity in which soldiers fight an imaginary battle in order to test military plans2 DGBa game played by adults in which models of soldiers, guns, horses etc are moved around a table, or a similar game played on a computer
Examples from the Corpus
war game• The U.S. military's favorite way of testing its assumptions and ideas is to run a war game.• The unit was one of dozens participating in the Kernel Blitz 97 biennial war game at Camp Pendleton.• The war game was fought out at Schriever Air Force base in Colorado and was set in space in the year 2017. 