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Portal
Completion Estimates
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Estimated Completion Times for Portal
Please note that these estimates are only for the base game - please see individual DLC packs for their estimates
Site Completion Estimates
Game Information
Publisher:
Valve
Developer:
Valve
Release:
10 October 2007
Platform:
Windows
,
Mac OS X
Genre:
Action
Size:
3.69GB
Completion est:
10-12 hours (excludes DLC packs)
DLC Information
Portal Soundtrack
(Add-on)
Release date:
24 September 2014