Announcement - Valve
2012 年 10 月 25 日
We need your help saving the world! Play Left 4 Dead 2 for FREE starting now through Monday at 10AM Pacific Time.

You can also pickup Left 4 Dead 2 at 75% off the regular price!

If you already have Steam installed, click here to install or play Left 4 Dead 2. If you don't have Steam, you can download it here.


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