Release dates, publisher and developer information for this game listed by platform:

Windows

Country
Worldwide flag Worldwide
Release Date
Nov 27, 2008
Comments
Download Release
Country
United States flag United States
Release Date
Feb 11, 2009
Comments
Retail CD-Rom release
UPC/A
0 47875 35781 5
Country
United Kingdom flag United Kingdom
Release Date
Jul, 2009
Comments
Retail CD-Rom release
EAN-13
5 031366 018120
Country
Germany flag Germany
Release Date
Aug 14, 2009
EAN-13
4 041417 311859
Distributed by
Valve Corporation
Country
Worldwide flag Worldwide
Release Date
Apr 21, 2010
Comments
Steam release


Release dates and company information contributed by Picard (39826), Rainer S (93269), Jeanne (76644) and Macs Black (80165)

Product codes contributed by Rainer S (93269) and formercontrib (159880)