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Portal
Developer:
Valve Software
Publisher:
Valve Software
Official Website:
Visit
Genre:
First-Person, Shooter
Platforms:
PC, Xbox 360, Playstation 3
Total Files:
6
Total Downloads:
21,350
Half-Life 2: Portal - GDC 07 Developer Walkthrough Pt. 1
Added:
2007-03-07
Downloads:
3,567
Take an in-depth look at the bonus single-player campaign Portal included in the Half-Life 2 Orange Box.
