71		American Conquest: Divided Nation (Windows, 2006)
66		Austerlitz: Napoleon's Greatest Victory (Windows, 2002)
64		Fortress Europe: The Liberation of France (Windows, 2001)
64		A*M*E*R*I*C*A (Windows, 2001)
64		American Conquest: Fight Back (Windows, 2003)
63		Battle for Troy (Windows, 2004)
63		Protivostojanie: Voyna v zalive (Windows, 2004)
62		Protivostojanie: Bitva za chernoye zoloto (Windows, 2005)
62		Hidden Stroke II: APRM (Windows, 2005)
60		Gwanggaeto Daewang (DOS, 1995)
60		Protivostojanie: Prinuzhdeniye k miru (Windows, 2008)
60		Protivostojanie: Evropa 2015 (Windows, 2008)
60		Offensive (DOS, 1996)
60		Rorke's Drift (DOS, 1990)
57		Rise of Nations (Windows, 2003)
55		Age of Empires II: The Age of Kings (Windows, 1999)
55		Napoleon (Windows, 2002)
54		The History Channel: Civil War - Great Battles (Windows, 2003)
53		WWI: The Great War (Windows, 2004)
53		Age of Empires (Windows, 1997)
53		Sudden Strike: Resource War (Windows, 2004)
52		Cold War Conflicts (Windows, 2005)
52		World War I (Windows, 2005)
50		The Civil War (DOS, 1995)
50		Spring 1944 (Windows, 2009)
50		Scourge of War: Chancellorsville (Windows, 2012)
50		Scourge of War: Gettysburg (Windows, 2012)
50		Mosby's Confederacy (Windows, 2008)
50		The EntEntE: Battlefields WWI - Gold (Windows, 2014)
45		Blitzkrieg (Windows, 2003)
45		Cossacks: European Wars (Windows, 2001)
43		Great Battles of WWII: Stalingrad (Windows, 2004)
43		Blitzkrieg: Burning Horizon (Windows, 2004)
43		Alexander (Windows, 2004)
42		Ultimate General: Gettysburg (Windows, 2014)
42		Cossacks II: Napoleonic Wars (Windows, 2005)
40		Ultimate General: Civil War (Windows, 2017)
40		UMS: The Universal Military Simulator (DOS, 1987)
40		Battleplan: American Civil War (Windows, 2014)
40		The Bluecoats: North vs South (Windows, 2013)
40		Centurion: Defender of Rome (DOS, 1990)

Notes: Games similar to Gettysburg: Civil War Battles, Games like Gettysburg: Civil War Battles, Stellar Stone LLC, Game Mill Publishing, Inc., Windows, Strategy, Tactics, Historical Events, Real-Time, Isometric, American Civil War, PC, Game Similarities.