71		Unreal Tournament (Windows, 1999)
65		XS (DOS, 1997)
64		ReVOLUTION (Windows, 2002)
64		CyberMage: Darklight Awakening (DOS, 1995)
64		The Terminator: Future Shock (DOS, 1995)
64		AI Wars: The Awakening (Windows, 2000)
63		TRON 2.0 (Windows, 2003)
63		Ion Maiden (Windows, 2018)
62		Interphase (DOS, 1989)
62		Black Ice (Windows, 2014)
62		Deus Ex: Invisible War (Windows, 2003)
61		William Shatner's TekWar (DOS, 1995)
61		Terminator 3: War of the Machines (Windows, 2003)
61		Chaser (Windows, 2003)
61		Devastation (Windows, 2003)
60		The Terminator 2029 (DOS, 1992)
60		Corporation (DOS, 1991)
60		The Terminator: Rampage (DOS, 1993)
60		Sairento VR (Windows, 2016)
60		Neon Valley: Revenge (Windows, 2018)
60		Neon Shadow (Windows, 2016)
60		InGame.exe (Windows, 2017)
60		Cyber Utopia (Windows, 2017)
60		Blaster Cop (Windows, 2017)
60		MoodFood (Windows, 2018)
60		2084 (Windows, 2018)
60		Ghost in the Shell: Stand Alone Complex - First Assault Online (Windows, 2016)
60		Rat Hunter (Windows, 2006)
60		Merger 3D (Windows, 2016)
60		Dystopia (Windows, 2009)
60		Neuro (Windows, 2006)
60		Utopia City (Windows, 2005)
60		CellFactor: Revolution (Windows, 2007)
60		Harmony (Windows, 2009)
55		Hardline (Windows, 1997)
55		Slave Zero (Windows, 1999)
54		Ares Rising (Windows, 1998)
54		Gunmetal (Windows, 1998)
54		Gunmetal (DOS, 1998)
54		Hardline (DOS, 1996)
53		System Shock (DOS, 1994)
52		Assault Rigs (DOS, 1996)
51		Pyrotechnica (DOS, 1995)
50		Cyberia: Mission Norway (DOS, 1994)
50		Liquidator 2: Welcome to Hell (Windows, 2005)
50		Advanced Battlegrounds: The Future of Combat (Windows, 2004)
50		Project: Snowblind (Windows, 2005)
40		Half-Life (Windows, 1998)
40		Quake III: Arena (Windows, 1999)

Notes: Games similar to Requiem: Avenging Angel, Games like Requiem: Avenging Angel, Cyclone Studios, 3DO Company, The, Windows, Action, Cyberpunk, Dark Sci-Fi, Shooter, 1st-person, PC, Game Similarities.