The List as it stands today, including games I have played since starting it.
1. Final Fantasy VII - PSX, 1997
2. Uncharted 2: Among Thieves - PS3, 2009
3. Slaves to Armok: God of Blood Chapter II: Dwarf Fortress - PC, 2006
4. Dreamfall: The Longest Journey - PC, 2006
5. The Longest Journey - PC, 1999
6. Football Manager (series) - PC, 2007-2012
7. Chuck Yeager's Air Combat - PC, 1991
8. Civilization IV - PC, 2005
9. Final Fantasy VIII - PSX, 1999
10. Freelancer - PC, 2003
11. Final Fantasy V - SNES, 1998
12. Far Cry 3 - PS3, 2012
13. Journey - PS3, 2012
14. The Last of Us - PS3, 2013
15. TimeSplitters (series) - PS2, 2000-2005
16. Warcraft II - PC, 1995
17. Portal 2 - PS3, 2011
18. Mass Effect - 360, 2007
19. Frog Fractions - PC, 2012
20. Warcraft III - PC, 2002
21. Gauntlet: Dark Legacy - PS2, 2000
22. Uncharted: Drake's Fortune - PS3, 2007
23. Left 4 Dead (series) - 360, 2008-2010
24. The Elder Scrolls V: Skyrim - PC, 2011
25. The Mark of Kri - PS2, 2002
26. Warzone 2100 - PSX, 1999
27. Where in the World is Carmen Sandiego? - PC, 1985
28. Wolfenstein: Enemy Territory - PC, 2003
29. XCOM: Enemy Unknown - PC, 2012
30 Final Fantasy XIII-2 - PS3, 2011
31. Uncharted 3: Drake's Deception - PS3, 2011
32. Resident Evil - PSX, 1996
33. Resident Evil 2 - PSX, 1998
34. Sid Meier's Alpha Centauri - PC, 1999
35. Mass Effect 2 - 360, 2010
36. Pokémon (series) - Various, 1998-2007
37. Final Fantsy XIV (as of patch 2.38) - PC, 2010
38. The Logical Journey of the Zoombinis - PC, 1996
39. Excelsior Phase One: Lysandia - PC, 1993
40. Rayman Legends - PS3, 2013
41. Tom Clancy's Splinter Cell: Conviction - PS3, 2010
42. Flower - PS3, 2009
43. Mass Effect 3 - 360, 2012
44. Halo 3 - 360, 2007
45. Age of Empires - PC, 1997
46. Assassin's Creed: Brotherhood - PS3, 2010
47. Dune II: The Building of a Dynasty - PC, 1992
48. GoldenEye 007 - N64, 1997
49. Grandia - PSX, 1997
50. Final Fantasy XIII - PS3, 2009
51. Grand Theft Auto: San Andreas - PS2, 2004
52. Batman: Arkham Asylum - PS3, 2009
53. Crisis Core: Final Fantasy VII - PSP, 2007
54. The Elder Scrolls III: Morrowind - PC, 2002
55. Assassin's Creed II - PS3, 2009
56. Batman: Arkham City - PS3, 2011
57. Alundra - PSX, 1997
58. Grandia II - PS2, 2000
59. EoFF: Sick Irony - PC, 2000
60. Final Fantasy Tactics Advanced - GBA, 2003
61. Crysis - PC, 2007
62. Assassin's Creed - PS3, 2007
63. Dune - PC, 1992
64. Borderlands 2 - PS3, 2012
65. Mario Kart 64 - N64, 1996
66. Worms (series) - PC, 1995-2003
67. Final Fantasy XII - PS2, 2006
68. Resistance: Fall of Man - PS3, 2006
69. Burnout Paradise - PS3, 2008
70. inFamous - PS3, 2008
71. UFO: Enemy Unknown - PC, 1994
72. Deus Ex: Human Revolution - PS3, 2012
73. Wipeout HD - PS3, 2008
74. SimCity (series) - PC, 1989-2003
75. Streets of Rage (series) - SMD, 1991-1994
76. Star Control - PC, 1990
77. Gothic II - PC, 2002
78. Lost Odyssey - 360, 2007
79. Crash Bandicoot (Naughty dog series) - PSX, 1996-1998
80. Civilization II - PC, 1996
81. Squarez Deluxe! - PC, 1998
82. Need For Speed III: Hot Pursuit - PSX, 1998
83. Destruction Derby - PSX, 1995
84. Syndicate - PC, 1993
85. Army of Two: The 40th Day - PS3, 2010
86. Jump 'n Bump - PC, 1998
87. Wolfenstein 3D - PC, 1992
88. Duke Nukem - PC, 1991
89. Tomb Raider (2013) - PS3, 2013
90. Final Fantasy IX - PSX, 2000
91. Gone Home - PC, 2013
92. Sonic the Hedgehog 2 - SMD, 1992
93. Jetpack - PC, 1993
94. The Elder Scrolls IV: Oblivion - PC, 2006
95. Brian Lara Cricket 2005 - PS2, 2005
96. GunBound - PC, 2005
97. Solar Winds - PC, 1993
98. The Sims 3 - PC, 2009
99. Chip's Challenge - PC, 1989
100. WWF/WWE Wrestling (series) - PS2, 2000-2007