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

Members Watching  (250 - 300 of 1,231)
Avatar

United States Rokth

Online 5 days ago Joined Dec 21, 2010
Avatar

United States Fleymevas

Online 6 days ago Joined Nov 23, 2009
Avatar

United Kingdom Playbus

Online 6 days ago Joined May 28, 2008
Avatar

Lithuania doweeez

Online 6 days ago Joined Aug 25, 2009
Avatar

United States wazanator

Online 6 days ago Joined Jan 3, 2009
Avatar

United States CrossDressiNate

Online 6 days ago Joined Dec 10, 2010
Avatar

Argentina Jeriką² h

Online 6 days ago Joined Nov 15, 2010
Avatar

Denmark BloodShed

Online 6 days ago Joined Jan 16, 2004
Avatar

Germany Zockerfreak112

Online 6 days ago Joined Dec 25, 2012
Avatar

Norway 050591

Online 6 days ago Joined Dec 31, 2009
Avatar

United Kingdom Hedgepig23

Online 6 days ago Joined Sep 6, 2010
Avatar

Turkey MArdA88

Online 6 days ago Joined Oct 29, 2009
Avatar

Netherlands DuckSauce

Online 6 days ago Joined Apr 7, 2008
Avatar

Brazil Emr19

Online 6 days ago Joined Jan 7, 2008
Avatar

United Kingdom Drago_Whooves

Online 6 days ago Joined Jul 15, 2006
Avatar

Canada TheDaFox

Online 1 week ago Joined Nov 28, 2006
Avatar

Poland jhxp

Online 1 week ago Joined Dec 2, 2006
Avatar

United States Sub-

Online 1 week ago Joined Jun 6, 2005
Avatar

United States Ennui

Online 1 week ago Joined Jan 14, 2005
Avatar

Netherlands Ka!

Online 1 week ago Joined Jun 2, 2003
Avatar

Norway Tommygunn96

Online 1 week ago Joined Jan 4, 2011
Avatar

United States MajorShepherd

Online 1 week ago Joined Aug 1, 2009
Avatar

Sweden l0d1z

Online 1 week ago Joined Feb 4, 2004
Avatar

Sweden Heinzy

Online 1 week ago Joined Oct 1, 2010
Avatar

Russian Federation ~cHendler~

Online 1 week ago Joined Dec 25, 2007
Avatar

United States Gamer819

Online 1 week ago Joined Dec 14, 2013
Avatar

Russian Federation flamming_python

Online 1 week ago Joined Oct 4, 2010
Avatar

United States Yronno

Online 1 week ago Joined May 2, 2009
Avatar

Trinidad and Tobago FreTerique

Online 1 week ago Joined Nov 25, 2007
Avatar

Brazil luckashedgehog

Online 1 week ago Joined Jan 9, 2013
Avatar

Poland _anubis_

Online 1 week ago Joined Dec 24, 2007
Avatar

United States TAU!

Online 1 week ago Joined Jan 12, 2006
Avatar

Germany SuicideMachine

Online 1 week ago Joined Sep 15, 2007
Avatar

United States hl2modsrock

Online 1 week ago Joined Aug 2, 2011
Avatar

United States McKn33

Online 1 week ago Joined Apr 23, 2011
Avatar

Brazil spidstrike

Online 1 week ago Joined Jul 6, 2012
Avatar

United Kingdom Null-Entity

Online 1 week ago Joined Feb 18, 2008
Avatar

United Kingdom Dr_Doctor

Online 1 week ago Joined Dec 6, 2008
Avatar

United States Shotgunguy49

Online 1 week ago Joined Sep 13, 2009
Avatar

Denmark Cookiemann

Online 1 week ago Joined Apr 7, 2009
Avatar

New Zealand webname

Online 1 week ago Joined Mar 14, 2008
Avatar

New Zealand Stickman_of_Death

Online 1 week ago Joined Mar 2, 2009
Avatar

United States paladinx829

Online 1 week ago Joined Mar 7, 2010
Avatar

Finland Onemaster

Online 1 week ago Joined Jun 9, 2010
Avatar

Thailand BeWarn

Online 1 week ago Joined Jul 13, 2008
Avatar

Germany The_Captain943

Online 1 week ago Joined Feb 28, 2010
Avatar

Sweden FuzzyMcFluffenstein

Online 1 week ago Joined Sep 1, 2009
Avatar

United States skittlesareyum47

Online 1 week ago Joined Jun 9, 2007
Avatar

United States Ektropy

Online 1 week ago Joined Nov 15, 2009
Avatar

Russian Federation le5h

Online 1 week ago Joined May 11, 2013
Icon
Half-Life 2 Icon
Platform
Windows
Developed By
mbortolino
Contact
Send Message
Release Date
Released Jul 14, 2009
Mod Watch
Track this mod
Member Statistics
Members
1,231
Online
7
Views
3,680,040
Views Today
1,586
Last Online
Matthes_CZ
Matthes_CZ Online 1 minute ago
Mc_Intire
Mc_Intire Online 2 minutes ago
TheAughts
TheAughts Online 2 minutes ago
bossbob88
bossbob88 Online 4 minutes ago
Dr_Nick
Dr_Nick Online 4 minutes ago
nijbu
nijbu Online 6 minutes ago
TheBleachDoctor
TheBleachDoctor Online 8 minutes ago
djpalle
djpalle Online 17 minutes ago
aCVfan
aCVfan Online 18 minutes ago
MrGnang
MrGnang Online 21 minutes ago
Nihillo
Nihillo Online 25 minutes ago
kaicooper
kaicooper Online 27 minutes ago
bartpp7
bartpp7 Online 34 minutes ago
medve
medve Online 39 minutes ago
AmmatTheAnkh
AmmatTheAnkh Online 44 minutes ago