1 DOOM
2 Half-Life
3 Thief II: The Metal Age
(wat)
4 S.T.A.L.K.E.R.: Shadow of Chernobyl
5 Quake III Arena
6 Half-Life 2
7 Planetside 2
(f2p, MMO popamole)
8 Counter-Strike:
Global Offensive
9 Battlefield 1942
10 Far Cry 2
11 SWAT 4
12 BioShock 2
(lol)
13 Action Quake 2
14 Battlefield: Bad Company 2
15 Mirror’s Edge
(...)
16 Arma 3
17 Crysis
18 Natural Selection 2
19 Wolfenstein: The New Order
(lists this garbage but omits Wolf3D...)
20 Alien: Isolation
21 Left 4 Dead 2
22 Unreal Tournament 2004
(but no UT99...)
23 Dishonored
(wat)
24 Call of Duty 2
25 The Chronicles Of Riddick: Assault On Dark Athena
26 Rising Storm
27 Star Wars: Dark Forces
28 Star Wars Jedi Knight – Mysteries Of The Sith
29 Call of Duty 4: Modern Warfare
(lol)
30 Tribes Ascend
31 Halo: Combat Evolved
(lol)
32 Aliens versus Predator
33 The Typing Of The Dead
(wat)
34 The Operative: No One Lives Forever
35 Far Cry 3
(lol)
36 Team Fortress 2
(...)
37 Quake
(37... )
38 Descent
39 Bulletstorm
(lol)
40 Metro 2033 Redux
41 Tom Clancy’s Rainbow Six: Vegas 2
(worst "RS" game)
42 Rage
(worst id game)
43 Tron 2.0
44 Call of Juarez: Gunslinger
(popamole)
45 Serious Sam HD: The First Encounter
46 The Darkness 2
(popamole)
47 Wolfenstein: Enemy Territory
48 Zeno Clash
49 F.E.A.R.
(49...)
50 Eldritch
(lol)
http://www.rockpapershotgun.com/2015/05/13/best-fps/