84		Alias (PlayStation 2, 2004)
83		Rogue Ops (PlayStation 2, 2003)
75		Stolen (PlayStation 2, 2005)
68		Metal Gear Solid 3: Subsistence (PlayStation 2, 2006)
66		Metal Gear Solid 2: Substance (PlayStation 2, 2003)
65		Hitman: Contracts (PlayStation 2, 2004)
65		Metal Gear Solid 2: Sons of Liberty (PlayStation 2, 2001)
64		Hitman 2: Silent Assassin (PlayStation 2, 2002)
62		Largo Winch .// Commando SAR (PlayStation, 2002)
62		The Operative: No One Lives Forever (PlayStation 2, 2002)
61		Hitman: Absolution (PlayStation 3, 2012)
60		007: Legends (PlayStation 3, 2012)
60		Metal Gear Solid 3: Subsistence (PlayStation 3, 2012)
60		Hitman 2: Silent Assassin (PlayStation 3, 2013)
60		Hitman: Contracts (PlayStation 3, 2013)
60		CounterSpy (PlayStation 3, 2014)
60		République (PlayStation 4, 2016)
60		Metal Gear: Survive (PlayStation 4, 2018)
60		CounterSpy (PlayStation 4, 2014)
60		Metal Gear Solid V: Ground Zeroes (PlayStation 4, 2014)
60		Metal Gear Solid 2: Substance (PlayStation 3, 2012)
60		Metal Gear Solid V: Ground Zeroes (PlayStation 3, 2014)
60		Syphon Filter: Logan's Shadow (PlayStation 2, 2010)
60		Mission: Impossible (PlayStation, 1999)
57		Metal Gear Solid 3: Snake Eater (PlayStation 2, 2004)
57		Tom Clancy's Splinter Cell (PlayStation 2, 2003)
56		Metal Gear Solid 4: Guns of the Patriots (PlayStation 3, 2008)
56		Tom Clancy's Splinter Cell: Double Agent (PlayStation 2, 2006)
55		Tenchu: Fatal Shadows (PlayStation 2, 2005)
54		Metal Gear Solid (PlayStation, 1998)
54		Lupin Sansei: Colombus no Isan wa Ake ni Somaru (PlayStation 2, 2004)
54		Spy Fiction (PlayStation 2, 2004)
53		Lupin Sansei: Lupin ni wa Shi o, Zenigata ni wa Koi o (PlayStation 2, 2007)
52		Tom Clancy's Splinter Cell: Blacklist (PlayStation 3, 2013)
51		Metal Gear Solid (PlayStation 3, 2009)
50		Tom Clancy's Splinter Cell (PlayStation 3, 2011)
50		Assassin's Creed Chronicles: China (PlayStation 4, 2015)
50		Fighting Force 2 (PlayStation, 1999)
50		Amy (PlayStation 3, 2012)
50		Stealth Inc: A Clone In The Dark - The Lost Clones (PlayStation 3, 2013)
50		Stealth Bastard Deluxe (PlayStation 3, 2013)
45		The OneeChanbara 2 (PlayStation 2, 2005)
43		Alien: Isolation (PlayStation 4, 2014)
40		Asuka 120% Excellent: BURNING Fest. (PlayStation, 1997)
40		Asuka 120% Excellent: BURNING Fest. (PlayStation 3, 2011)
40		Asuka 120% Special: BURNING Fest. (PlayStation, 1996)
40		Alien: Isolation (PlayStation 3, 2014)
40		Asuka 120% Special: BURNING Fest. (PlayStation 3, 2010)

Notes: Games similar to Death by Degrees, Games like Death by Degrees, Namco Limited, Namco Hometek Inc., PlayStation 2, Action, Martial Arts, Stealth, Spy, Espionage, 1st-person, 3rd-person, Other, Female, Sony PlayStation, PSX, PS1, PS2, PS3, PS4, Game Similarities.