Announcement - Valve
2013 年 7 月 4 日
Play Left 4 Dead 2 for FREE starting now through Sunday at 1PM 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.

*Offer ends Monday at 10AM Pacific Time

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