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

GeorgGrech says

10/10 - Agree Disagree

This mod is great, and I'm not usually one for puzzle games. This mod's puzzles are challenging but not at all frustrating. It managed to hit all the right notes.

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9.6

1270 votes submitted.

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Highest Rated (14 agree) 10/10

Let me start by saying this was exactly what I was looking for when I began looking through the hl2 mods available here. For some reason I love any puzzle elements executed in the hl2 engine and enjoyed all the little puzzles you had to solve throughout the actual hl2 game itself and R&D pretty much mixes all those great moments into one sweet package.

Research & Development pretty much a perfect mod for any fps puzzle lovers and the only thing I can hope for now is a sequel :D

Feb 28 2011 by Akito8