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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Half-Life 2: Episode Two Icon
Developed By
mbortolino
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Release Date
Released 2009
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Member Statistics
Members
1,266
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Views Today
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DarkElf9727
DarkElf9727 Online 3 minutes ago
Kobra299
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Dr_Nick
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--JoKeR--
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djpalle
djpalle Online 8 minutes ago
Joscha_
Joscha_ Online 8 minutes ago
BioDestroyer
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*SpankSL*
*SpankSL* Online 13 minutes ago
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