Valve

81

Counter-Strike: Global Offensive

2012 Shooter

★ 3.6 PlayStation 3 PC

95

Portal 2

2011 Puzzle · Shooter

★ 4.6 PlayStation 3 PC

89

Left 4 Dead 2

2009 Action · Shooter

★ 4.1 PC Xbox 360

90

Portal

2007 Action · Puzzle

★ 4.5 PlayStation 3 PC

96

Half-Life 2

2004 Action · Shooter

★ 4.5 PC Xbox 360