Close Combat: Battle of the Bulge, sometimes known as Close Combat IV: Battle of the Bulge, is a 1999 computer wargame developed by Atomic Games and published by Strategic Simulations Inc. (SSI). A simulation of the Battle of the Bulge during World War II, it is the fourth game in the Close Combat series. A remake, Close Combat: Wacht am Rhein, was released in 2008.