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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28 comments by Varsity on Jul 20th, 2009

PC gaming super-blog Rock, Paper, Shotgun loves R&D! In a new review Alec Meer praises the mod as "a seismic shift" away from the norm, telling readers that it is "as must-play as an HL2 mod gets":

R&D’s hook is that it’s essentially non-combative. Yep – you go without guns throughout (bar the ol’ Gravity jobbie, but hey, that’s more about construction than destruction here). Sure, you can tell an Antlion to claw someone to death or arrange to squash men with falling girders, but you’re definitely not Edward Pistolhands. It’s an environmental adventure game, taking the irregular physics and logic puzzles seen in HL2 itself and turning them into the game itself. Mazes, gravity, exploding microwaves and fire-retardant antlion carapaces all make an appearance – it’s very much a point’n’click adventure in an FPS engine.

If you still haven't played Research and Development, which requires Episode Two, download it now!

Update: Destructoid also has a very positive review.

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Research and Development (installer)

Research and Development (installer)

Jul 18, 2009 Full Version 52 comments

Updated 17 July 2009, fixed several issues & added a dynamic crosshair when using the keypads & lab buttons. Requires Episode Two.

Research and Development

Research and Development

Jul 17, 2009 Full Version 29 comments

Updated 17 July 2009, fixed several issues & added a dynamic crosshair when using the keypads & lab buttons. Requires Episode Two.

Post comment Comments  (70 - 80 of 745)
BrianBear
BrianBear Apr 22 2011, 8:30pm says:

Give this a 10/10 i wached a lets play best part is that you Developed your own stuff like the car and Slo-mo

+2 votes     reply to comment
blockland2142
blockland2142 Apr 8 2011, 9:00pm says:

Boy, I remember the part where there was a huge toxic pit and sentries shooting at me so I had to get bullet proof glass WHILE changing the train track thing, ALSO this part SUCKED, Once I fell of the cart and it saved RIGHT there so I saved, died, loaded, died, loaded, died, it was innoying, otherwise, VERY GOOD MOD! One of the best mods I EVER played!

+2 votes     reply to comment
Boomerbuster
Boomerbuster Mar 28 2011, 10:15pm buried:

(buried)

there are so many bugs in this none of my saves stay there after i close the game when i open it agian they are gone the levels dont unlock even after i beat them i cant do anything beacuse it always glitches and either blocks off the path or what im supposed to do isnt there i even checked with my friend who has it and for me the game just doesnt workl. the way will randomly get blocked by invisible walls the gravity gun will randomly stop working this mod is a pîece of **** when it comes to accully working.

-11 votes     reply to comment
Cremat0r
Cremat0r Jun 1 2011, 9:25pm replied:

For me and like ten thousands of others it just worked fine.

+3 votes     reply to comment
redkaos
redkaos Jun 10 2011, 8:15am replied:

I did get the same problems but the whole mod can be completed within 30 minutes to an hour. I loved the mod and wish for more of it.

+2 votes     reply to comment
logzlo
logzlo Aug 9 2011, 9:51am replied:

you beat it that fast? I mean, erm, yeah, it didn't take me 2.5 hours...

+2 votes     reply to comment
Hughjarse
Hughjarse Feb 25 2011, 11:02am says:

This is the most awesome mod for Half-life 2 I have ever played. great work!

+4 votes     reply to comment
Ennui
Ennui Feb 15 2011, 11:23pm says:

God, I wish there was a Research and Development 2.

... pretty please?

+15 votes     reply to comment
Evill_Bob
Evill_Bob Feb 9 2011, 10:01pm says:

Not much replayability but like Portal it's one heck of a first playthrough.

+4 votes     reply to comment
lahtis
lahtis Feb 9 2011, 2:11am says:

why this game does not fix these errors, which have been reported. Review drops all the time.

0 votes     reply to comment
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Half-Life 2 Icon
Platform
Windows
Developed By
mbortolino
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Release Date
Released Jul 14, 2009
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9.7

1234 votes submitted.

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Highest Rated (13 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, 7:36pm by Akito8

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First Person Shooter
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Sci-Fi
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