Black Mesa - A
total conversion mod of Half-Life 2 that features the
original Half-Life storyline,
characters, and enemies in the high-definition graphics of the
Source engine. Currently under development, aimed for a 2009
release, but now release date is undecided.
Received 2005 Editor's Choice (released mod) from Mod
Flipside - a mod where the
player takes the role of a mental patient who is breaking out.
Flipside was an IGF 2008 Finalist and
received Mod DB's 2007 Editor's Choice award.
MINERVA - Episodic single-player mod based in the
Half-Life 2 universe, with a style of storytelling
inspired by classic games such as Marathon and System Shock.
The first episode, Metastasis 1, was released in September 2005,
the second, Metastasis 2, was released on the 3rd of March, 2006;
and the third and fourth chapters were released on the 1st October
2007. MINERVA was ranked #11 mod of 2005, #5 mod of 2006
and #5 mod of 2007 by Mod DB.
Research and Development, a
"non-combative" modification created by Matt Bortolino that has
been likened to Portal, in which the player
uses the gravity gun and other aspects of the Source engine physics
to solve puzzles and progress forward.
Riot Act - A mod set in the universe
of Half-Life 2. Players take on the role of Jamil Lee, a young
member of the civilian resistance. She begins the game imprisoned
at Nova Prospekt by the Combine.
Operation Lambda - A Total Conversion
Modification of Half-life 2, which explores the origins of the
Combine. It takes players through the Combine Homeworld, the debris
of Black Mesa, and the beginning of the 7 Hour war.
Chivalry - A multiplayer modification. Players
fight for either the Mason Order or Agathian Knights in a fictional
medieval environment using swords, spears and many other medieval
weaponry. Version 1.0 was released on 12/01/07. Age of
Chivalry received Mod DB Editor's Choice for 2007.
Dystopia - A cyberpunk-themed total
conversion that pits Punk mercenaries against Corporate security
forces in both the physical world and cyberspace. Last release
February 06, 2009. Dystopia received the Player's Choice
Honorable Mention from Mod DB in 2006,
Best Mod for Half-Life 2 during the Independent Games
Festival in 2006, and
received the "Mod Of The Year - 3rd place" and "Genre Award -
Action" for mods of 2005 by Mod DB.
Fortress Forever - A mod
based on Valve's Team Fortress Classic, but has been created
entirely from scratch by the Fortress Forever development team. The
intended scope of Fortress Forever is to please the adamant Team
Fortress Classic fans, while at the same time creating a game
enjoyable enough to players new to Team Fortress styled games. The
mod was released on September 13, 2007.Fortress Forever received "Best mod of 2007" in PC Gamer
Garry's Mod - A "sandbox" mod that allows the player to
manipulate objects using the Sourcephysics engine.
Allows both single- and multi-player interaction. Version 10
released commercially and version 9 available for free on Steam. Garry's Mod
received Mod DB's "Player's Choice Honorable Mention" from Mod DB
"Mod of the Year" in 2005 and
"Genre Award: Puzzle" from in 2005.
GoldenEye: Source - A total
conversion for Half-Life 2 that aims to recreate the
original Nintendo 64
classic GoldenEye 007. It received Mod DB's
"Editors' Choice for Reinvention" in 2006,
"Third Place, Mod of the Year" in 2006,
and "Fourth Place, Top Unreleased Mods" in 2005.
Half-Life 2: Capture The Flag - A
simple capture-the-flag mod. Players are
divided into two teams, Combine and Rebels, and try to steal the
other team's flag from their base and return it to their own for
points, with the aid of ability enhancing runes and various
Hidden: Source - Pits one player
(called The Hidden) as an invisible genetically-modified
human against a team of SWAT-like
operatives called the Infinitum Research Intercept Squad,
(IRIS) with regular human attributes but a selection of weapons to
choose. The IRIS team's objective is to hunt down the Hidden, while
the Hidden attempts to stalk and kill the IRIS team without being
detected. Hidden: Source won Mod DB's "Fourth Place, Mod
of the Year" in 2006,
"Editors' Choice for Ambience" in 2006,
and "Editors' Choice for Multiplayer" in 2005.
Insurgency: Modern Infantry Combat -
Is a total conversion mod for Valve Software's Source Engine. Insurgency is a multiplayer,
tactical first person shooter, and implements elements of realism,
in an attempt to increase player immersion and promote teamwork.
The game is primarily set in the Iraq war, however some maps are
set in Afghanistan, and future updates are planned to expand the
setting into a hypothetical conflict in Kosovo and other theatres.
Insurgency received the Player's Choice 2007 "Mod of the
Year" award from ModDB, as
well as the "Best Source Mod of 2007" Gold Award from
Iron Grip: The Oppression - A first-person shooter/real-time
strategy hybrid set within the fictional Iron Grip
universe in a predominantly urban setting. The game pits two separate
factions against each other: the Rahmos and the Resistance. Playing
as the Rahmos gives at least one, but typically fewer players
control of an array of AI-controlled NPCs in a top-down real-time strategy
perspective. Players in the resistance, conversely, are individual
players in the first-person
perspective fighting the player-controlled NPCs. Awarded
Editors' Choice for Innovation from Mod DB in 2006,
and Players' Choice Honorable Mention for Multi-Genre from Mod DB in 2006.
Jailbreak Source - A
team based first-person shooter where each
team has a jail in their base. When an enemy player is killed, they
will respawn inside your jail, where they can either await release
by their own team who are fighting to get to the release button, or
escape by their own means, through devious and deadly escape
routes. Jailbreak Source has received media coverage and
reviews from Planet Half-Life,
Total PC Gaming Magazine,
Alongside Interviews with ModDB 
and Interlopers.net 
Mario Kart Source - A Half-Life
2 mod which attempts to use the best features from each game
in the Mario
Kart series. It is not licensed by Nintendo and
has received criticism for its lack of originality. The
release date for this mod has yet to be announced.
Pirates, Vikings and
Knights II - A mostly melee-based mod featuring
three factions – Pirates, Vikings and Knights – and includes map
objectives such as Deathmatch or Capture the Flag. The beta version
supports six playable characters.
Attack - A multiplayer first-person shooter that
highlights strategy, teamwork, and out-thinking the enemy. Last
official release October 5, 2005. However, the development team has
halted development and released the source code of the mod.
Currently a new mod team is recruiting to continue development of
SourceForts - A capture-the-flag mod. Teams use
gravity guns to build a fort out of given parts during the build
phases, and assault the other team's fort during the combat phases.
One can play as a Soldier, Sniper, Engineer, Rocketeer, or Scout in
a fast-paced battle for glory. Last release September 1, 2008.
Thirteenth Place, Mod of the Year from Mod DB in 2005
Players' Choice Genre Award: Action from Mod DB in 2006
Synergy - A cooperative mod. Synergy supports
official campaigns by Valve, user-made levels, and other
third-party mods (MINERVA, City 7, and Riot Act so far). In
September 2008, Valve introduced it as one of the first five Source
mods being offered on Steam and supported by Steamworks.
Zombie Master - Zombie
Master is a multiplayer Half-Life 2 modification centered around a
zombie-apocalypse. Zombie Master incorporates Real-time Strategy
elements for one "zombie master" player while the other players
continue to use a First-person Shooter style of play. The goal of
the modification is to introduce an innovative game style into the
popular Survivors vs Zombies game genre. Zombie Master is available
as a free download to anyone owning a legal Source Engine based
game. The last update has been released and development will not
continue. However, the community is planning on continuing work on
it as a separate mod titled Zombie Master : Industries.
Zombie Panic! Source
- A team-based zombie themed mod which pits player-controlled
survivors against player-controlled zombies. The gameplay style
simulates an outbreak: The zombie team starts with only a few
players, but their ranks grow as survivors are defeated and switch
to the zombie team. Its first public release was on December 28,
and it received the Mod DB, players' choice, top unreleased mod
award for 2007.
Portal:TTS - A modification for the
valve game portal ( http://orange.half-life2.com/portal.html ) that
allows multiplayer support on the the game. Unlike any other
modifications to the source engine the combat system is unique and
great fun. Portal:TTS has 5 Gamemodes that test the players Skill,
Teamwork and concentration throughout the game. Until the game is
released and available for download no other information will be
released. The modification is almost finished and is expected to be
released near April.