84		Orda: Severnyi Veter (Windows, 2000)
83		Orda: Severnyi Veter (DOS, 1999)
66		Kohan: Ahriman's Gift (Windows, 2001)
65		Swarog (Windows, 2001)
65		Mythical Warriors: Battle for Eastland (Windows, 2001)
65		Persian Wars (Windows, 2001)
64		Tzar: The Burden of the Crown (Windows, 2000)
63		Kingdom Rush (Windows, 2014)
63		Freecraft (Windows, 2003)
62		Magic of Endoria (DOS, 1994)
62		Knights and Merchants: The Shattered Kingdom (Windows, 1998)
61		War Wind (Windows, 1996)
61		Fantasy Empires (DOS, 1993)
61		Knights and Merchants: The Peasants Rebellion (Windows, 2005)
61		Cloven Crania Meadow (Windows, 2005)
61		Lord Monarch Online (Windows, 1997)
60		Wyrmsun (Windows, 2014)
60		Dragon Isles (DOS, 1993)
60		Polanie (DOS, 1996)
60		Frozen Hearth (Windows, 2012)
60		Kingdom Rush: Origins (Windows, 2018)
60		J.R.R. Tolkien's War in Middle Earth (DOS, 1989)
60		Sango 2 (Windows, 2008)
60		Stop That Hero! (Windows, 2011)
57		Battle Realms (Windows, 2001)
52		Seven Kingdoms: Ancient Adversaries (Windows, 1998)
52		Seven Kingdoms (Windows, 1997)
52		Hesperian Wars (Windows, 1998)
52		Saga: Rage of the Vikings (Windows, 1998)
50		Bionic Attack (Windows, 2017)
50		Dwarfs!? (Windows, 2011)
44		Total Annihilation: Kingdoms (Windows, 1999)
43		WarCraft II: Tides of Darkness (DOS, 1995)
41		WarCraft: Orcs & Humans (DOS, 1994)
40		WarCraft: Orcs & Humans - Shareware (DOS, 1995)

Notes: Games similar to Horde: The Citadel, Games like Horde: The Citadel, 7th BitLabs, Buka Entertainment, Windows, Strategy, Tactics, Fantasy, Real-Time, Top-down, PC, Game Similarities.