Valve Corporation
Company · 12 games · all platforms
| Game | Platform | Year |
|---|---|---|
| Audiosurf | Windows | 2008 |
| Half-Life | Windows 9x | 1998 |
| Half-Life 2 | Windows | 2004 |
| Half-Life 2: Episode One | Windows | 2006 |
| Half-Life 2: Episode Two | Windows | 2007 |
| Left 4 Dead | Windows | 2008 |
| Left 4 Dead 2 | Windows | 2009 |
| Peggle | Windows | 2007 |
| Team Fortress 2 | Windows | 2007 |
| Team Fortress Classic | Windows 9x | 1999 |
| The Orange Box | Windows | 2007 |
| Zeno Clash | Windows | 2009 |
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