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57		Total War: Shogun 2 - Fall of the Samurai (Windows, 2012)
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54		Total War: Attila (Windows, 2015)
54		Total War: Warhammer (Windows, 2016)
53		Rome: Total War (Windows, 2004)
53		History Egypt: Engineering an Empire (Windows, 2010)
53		Hell (Windows, 2014)
53		Medieval II: Total War (Windows, 2006)
53		Medieval: Total War (Windows, 2002)
52		Total War: Warhammer II (Windows, 2017)
52		Hard West (Windows, 2015)
52		Shogun: Total War (Windows, 2000)
52		Elven Legacy (Windows, 2009)
52		Broadsword: Age of Chivalry (Windows, 2015)
51		Farabel (Windows, 2016)
50		Civil War: Gettysburg (Windows, 2017)
50		Galactic Assault: Prisoner of Power (Windows, 2007)
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50		Hex Commander: Fantasy Heroes (Windows, 2017)
50		Shattered Union (Windows, 2005)
50		Laser Squad: Nemesis (Windows, 2005)
50		Star Trek: Away Team (Windows, 2001)
44		Order of Battle: Pacific (Windows, 2015)
40		Final Liberation: Warhammer Epic 40,000 (Windows, 1997)
40		Clad in Iron: Philippines 1898 (Windows, 2017)
40		Imperial Glory (Windows, 2007)
40		Warhammer 40,000: Chaos Gate (Windows, 1998)

Notes: Games similar to Great Big War Game, Games like Great Big War Game, Rubicon Mobile, Ltd., Rubicon Mobile, Ltd., Windows, Strategy, Tactics, Turn-based, Bird's-eye view, Free-roaming camera, PC, Game Similarities.