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Half-Life 2: Research and Development Mod

Posted: August 1, 2009
Author: mbortolino
File Size: 54 MB
Rating: 5 out of 5
Version: 17.7.2009
Requirements: Windows 2000/XP/Vista/7

Description: This is a single player puzzle modification for Half-Life: Episode 2. Very fun. Please remember that you need HL2: Episode 2 to use this mod.