99		Hitman: Absolution (Windows, 2012)
99		Hitman 2 (Windows, 2018)
99		Hitman 2: Silent Assassin (Windows, 2002)
99		Hitman: Contracts (Windows, 2004)
99		Hitman: Codename 47 (Windows, 2000)
85		Tom Clancy's Splinter Cell: Pandora Tomorrow (Windows, 2004)
83		Tom Clancy's Splinter Cell: Chaos Theory (Windows, 2005)
83		Tom Clancy's Splinter Cell (Windows, 2003)
81		Tom Clancy's Splinter Cell: Conviction (Windows, 2010)
77		Hitman: Blood Money (Windows, 2006)
59		Assassin's Creed: Unity (Windows, 2014)
57		Assassin's Creed: Syndicate (Windows, 2015)
56		Metal Gear Solid V: Ground Zeroes (Windows, 2014)
55		Alekhine's Gun (Windows, 2016)
54		Tom Clancy's Ghost Recon: Wildlands (Windows, 2017)
54		Tom Clancy's Splinter Cell: Blacklist (Windows, 2013)
53		Metal Gear: Survive (Windows, 2018)
50		Death to Spies (Windows, 2007)
50		Soldier Elite: Zero Hour (Windows, 2006)
50		Cold War (Windows, 2005)
50		Death to Spies: Moment of Truth (Windows, 2009)
43		The Operative: No One Lives Forever (Windows, 2000)
43		No One Lives Forever 2: A Spy in H.A.R.M.'s Way (Windows, 2002)
40		Metal Gear (DOS, 1990)

Notes: Games similar to Hitman: The Complete First Season, Games like Hitman: The Complete First Season, Io-Interactive A, S, Square Enix Co., Ltd., Windows, Action, Asia, Europe, South America, Stealth, Spy, Espionage, Behind view, Glacier, PhysX, Future now Past, PC, Game Similarities.