66		Crusader Kings II (Windows, 2012)
65		iBomber Defense (Windows, 2011)
65		Sengoku (Windows, 2011)
64		Close Combat: Panthers in the Fog (Windows, 2012)
64		iBomber Defense: Pacific (Windows, 2012)
64		Hearts of Iron III (Windows, 2009)
64		Command Ops: Battles from the Bulge (Windows, 2010)
64		Close Combat: Last Stand Arnhem (Windows, 2010)
63		Close Combat: The Longest Day (Windows, 2009)
62		Hearts of Iron II (Windows, 2005)
62		Close Combat: Wacht am Rhein (Windows, 2008)
62		Close Combat: Gateway to Caen (Windows, 2014)
61		Hearts of Iron (Platinum) (Windows, 2004)
61		Close Combat: Cross of Iron (Windows, 2007)
61		Close Combat: Modern Tactics (Windows, 2007)
60		Walls of Rome (DOS, 1993)
60		Hearts of Iron (Windows, 2002)
60		Iron Cross (DOS, 1994)
60		Takeda (Windows, 2001)
60		Svea Rike III (Windows, 2000)
60		Takeda 2 (Windows, 2005)
60		War and Peace: 1796 - 1815 (Windows, 2002)
60		Hearts of Iron II: Doomsday (Windows, 2006)
60		The Charge of the Light Brigade (DOS, 1991)
60		Two Thrones (Windows, 2004)
60		Crusader Kings (Windows, 2004)
60		Defend The Alamo (DOS, 1994)
53		Spring 1944 (Windows, 2009)
51		Vtoraya Mirovaya: Izdanie Vtoroe (Windows, 2007)
50		Napoleon (Windows, 2002)
50		Vlad Tepes Dracula (Windows, 1998)
50		Airborne Assault: Red Devils Over Arnhem (Windows, 2002)
50		Airborne Assault: Highway to the Reich (Windows, 2004)
50		World War I (Windows, 2005)
50		Will of Steel (Windows, 2005)
40		Man of War (DOS, 1997)
40		Centurion: Defender of Rome (DOS, 1990)
40		Man of War (Windows, 1997)

Notes: Games similar to Hearts of Iron: Darkest Hour, Games like Hearts of Iron: Darkest Hour, Paradox Interactive AB, Windows, Strategy, Tactics, Historical Events, Real-Time, Top-down, PC, Game Similarities.