Best-reviewed PC games of all time
1 Half-Life 2 (2004)
2 Grand Theft Auto V (2015)
3 The Orange Box (2007)
4 Half-Life (1998)
5 BioShock (2007)
6 Baldur's Gate II: Shadows of Amn (2000)
7 Portal 2 (2011)
8 The Elder Scrolls V: Skyrim (2011)
9 Mass Effect 2 (2010)
10 Grand Theft Auto: Vice City (2003)
11 Civilization II (1996)
12 Quake (1996)
13 BioShock Infinite (2013)
14 The Elder Scrolls IV: Oblivion (2006)
15 Grim Fandango (1998)
16 Diablo (1996)
17 Sid Meier's Civilization IV (2005)
18 The Witcher 3: Wild Hunt (2015)
19 Company of Heroes (2006)
20 Unreal Tournament 2004 (2004)
21 Starcraft II: Wings of Liberty (2010)
22 Minecraft (2009)
23 Homeworld (1999)
24 Grand Theft Auto III (2002)
25 Star Wars: Knights of the Old Republic (2003)
http://www.metacritic.com/feature/25-best-pc-games