Valve
Company · 8 games · all platforms
| Game | Platform | Year |
|---|---|---|
| Counter-Strike | Xbox | 2003 |
| Counter-strike - Global Offensive | Xbox 360 | |
| Half-life 2 | Xbox | 2005 |
| Left 4 Dead 2 - Cold Stream | Xbox 360 | |
| Left 4 Dead 2 - The Passing | Xbox 360 | 2010 |
| Left 4 Dead 2 - The Sacrifice | Xbox 360 | 2010 |
| Left 4 Dead - The Sacrifice | Xbox 360 | 2010 |
| Portal - Still Alive | Xbox 360 | 2008 |
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