94		Waterloo (DOS, 1989)
90		Wargame Construction Set III: Age of Rifles 1846-1905 (DOS, 1996)
80		Strategic Command 2: Blitzkrieg (Windows, 2007)
65		Decisive Battles of the American Civil War, Volume One (DOS, 1990)
64		Decisive Battles of the American Civil War, Vol. 2 (DOS, 1989)
63		Decisive Battles of the American Civil War, Vol. 3 (DOS, 1992)
61		Battle of Antietam (DOS, 1986)
60		Civil War (DOS, 1983)
46		Second Front: Germany Turns East (DOS, 1990)
44		Conflict: Middle East (DOS, 1991)
43		Wargame Construction Set (DOS, 1988)
42		Gary Grigsby's War in Russia (DOS, 1993)
42		Combat Mission II: Barbarossa to Berlin (Windows, 2002)
41		Battleground 4: Shiloh (Windows, 1996)
40		Knights of the Desert (DOS, 1983)
40		Gangsters: Organized Crime (Windows, 1998)
40		Battleground 7: Bull Run (Windows, 1997)
40		Decisive Battles of WWII: Ardennes Offensive (Windows, 1997)
40		Battleground 2: Gettysburg (Windows, 1996)
40		Battleground 9: Chickamauga (Windows, 1999)
40		Combat Mission: Beyond Overlord (Windows, 2000)
40		Battleground 5: Antietam (Windows, 1996)
40		Combat Mission 3: Afrika Korps (Windows, 2003)
40		Gangsters 2 (Windows, 2001)
40		Operation Market Garden: Drive on Arnhem, September 1944 (DOS, 1985)

Notes: Games similar to Gettysburg, Games like Gettysburg, Turcan Research Systems Limited, DOS, Simulation, Strategy, Tactics, Historical Events, North America, Wargame, Turn-based, Bird's-eye view, Isometric, American Civil War, PC, Game Similarities.