Research and Development is a puzzle-centric mod for Half-Life 2: Episode Two featuring an unarmed player but plenty of violent mayhem.

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Icon
Half-Life 2: Episode Two Icon
Platform
Windows
Developed By
mbortolino
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Release Date
Released Jul 13, 2009
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Member Statistics
Members
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Views
3,919,001
Views Today
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Last Online
yamen21
yamen21 Online 1 minute ago
Dr_Nick
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TheAughts
TheAughts Online 3 minutes ago
Nihillo
Nihillo Online 3 minutes ago
Zlandael
Zlandael Online 4 minutes ago
GunShip05
GunShip05 Online 15 minutes ago
Akujin
Akujin Online 16 minutes ago
Beardwearer
Beardwearer Online 26 minutes ago
Kabuki-man
Kabuki-man Online 30 minutes ago
AAAStudios
AAAStudios Online 32 minutes ago
warbrand2
warbrand2 Online 33 minutes ago
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Durandael
Durandael Online 42 minutes ago
AmmatTheAnkh
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MattmanDude
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