Pick up the crowbar of research scientist Gordon Freeman, who finds himself on an alien-infested Earth being picked to the bone, its resources depleted, its populace dwindling. Freeman is thrust into the unenviable role of rescuing the world from the wrong he unleashed back at Black Mesa. And a lot of people, people he cares about, are counting on him.

Add mod Top Rated Mods  (0 - 30 of 413)
96%
Black Mesa

Black Mesa

3,318 ratings First Person Shooter

Run. Think. Shoot. Live. Source. Black Mesa is the Half-Life 2 total conversion of the original Half-Life game. Utilizing the Source engine and its endless...

91%
No More Room in Hell

No More Room in Hell

2,055 ratings First Person Shooter

No More Room in Hell the long awaited Source zombie modification.

93%
The Stanley Parable

The Stanley Parable

1,994 ratings First Person Shooter

The Stanley Parable is an experimental narrative-driven first person game. It is an exploration of choice, freedom, storytelling and reality, all examined...

95%
Underhell

Underhell

1,699 ratings Adventure

Underhell is a Source Engine game developed by the Underhell Team in collaboration with We Create Stuff. Underhell Chapter 1 requires ONLY Source SDK...

95%
Nightmare House 2

Nightmare House 2

1,687 ratings First Person Shooter

In Nightmare House 2 you wake up inside an abandoned hospital with no understanding of how you came to be there, only a vague memory of the girl from...

95%
MINERVA

MINERVA

1,263 ratings First Person Shooter

The true method of knowledge is experiment. So, strapped to the underside of a stolen Combine helicopter, you're part of my latest scientific investigation...

84%
Zombie Panic: Source

Zombie Panic: Source

1,240 ratings First Person Shooter

Zombie Panic: Source is a co-op oriented Survivor Vs Zombie multi-player survival horror modification for HL2. While our main priority is to make the...

93%
Garrys Mod

Garrys Mod

1,116 ratings Puzzle

GMod is a Sandbox Modification. Using GMod you can pose ragdolls. This means can position people from HL2/CS/DoD and change their faces. A big comic book...

89%
GoldenEye: Source

GoldenEye: Source

985 ratings First Person Shooter

GoldenEye: Source is a total conversion modification of Half-Life 2. It is a fan made recreation, released for free, with only one goal in mind; to bring...

87%
Dear Esther

Dear Esther

975 ratings First Person Shooter

A deserted island... a lost man... memories of a fatal crash... a book written by a dying explorer. Dear Esther is a ghost story told using first-person...

89%
Dystopia

Dystopia

918 ratings First Person Shooter

Dystopia is a is a total conversion of the Source Engine that places players into tense combat situations in a high-tech world spanned by computer networks...

88%
NEOTOKYO°

NEOTOKYO°

925 ratings First Person Shooter

NEOTOKYO° is a first person shooter that aims to provide a visceral & realistic combat experience in a rich futuristic setting. NEOTOKYO° takes...

93%
Empires

Empires

872 ratings First Person Shooter

Empires, the award winning Half-Life 2 mod, combines the best of the first person shooter and real-time strategy genres. Fight as either the Northern...

93%
Resistance & Liberation

Resistance & Liberation

759 ratings First Person Shooter

The goal of Resistance and Liberation is to realistically portray the events and actions taken by the 82nd Airborne during their stay in Normandy. Our...

88%
Missing Information

Missing Information

787 ratings First Person Shooter

Missing Information aims to recreate Valve's original Half-Life 2 storyline found in Raising the Bar.

92%
Zombie Master

Zombie Master

736 ratings First Person Shooter

Zombie Master is a multiplayer Source modification, centred around a zombie-apocalypse, which throws all but one player in the shoes of human survivors...

84%
1187

1187

797 ratings First Person Shooter

Creatures came out of what seemed to be thin air. Animated and alive. They came without a warning and swept the world ...

86%
Insurgency

Insurgency

773 ratings First Person Shooter

Insurgency is here! Modern Infantry Combat on Valve's Source Engine. Insurgency (INS) is a total conversion of Half-Life 2 focused on tactical gameplay.

92%
Fistful of Frags

Fistful of Frags

713 ratings First Person Shooter

Multiplayer / cooperative FPS set in Wild West times. Take part in frenzy team versus shootouts or play cooperative games against AI managed enemies...

91%
Battle Grounds 2

Battle Grounds 2

718 ratings First Person Shooter

The Battle Grounds 2(BG2) is a Half-Life 2 multiplayer modification based on the revolutionary war. It is the sequel to the popular HL1 mod with even...

94%
Hidden Source

Hidden Source

670 ratings First Person Shooter

In "The Hidden", players choose the role of either a near invisible killer, Subject 617, or one member of an Intercept squad who have to capture him...

91%
Pirates, Vikings, & Knights II

Pirates, Vikings, & Knights II

649 ratings First Person Shooter

Pirates, Vikings, and Knights II boasts a unique three-team symmetry and a myriad of colorful characters to promote exciting, strategic, and fun gameplay...

91%
Obsidian Conflict

Obsidian Conflict

617 ratings First Person Shooter

Obsidian Conflict is a cooperative multiplayer modification set in the Half-Life 2 universe. It features a large amount of new gameplay features on all-new...

82%
Situation Outbreak

Situation Outbreak

619 ratings First Person Shooter

Situation Outbreak is an Orange Box mod about the impending zombie apocalypse. Armed with nothing but a 9mm and a pair of brass knuckles, you must do...

91%
SMOD: Tactical

SMOD: Tactical

555 ratings First Person Shooter

SMOD: Tactical is a modification of the single-player SMOD(Super Mod) for Half-Life 2. This mod takes advantage of SMOD's robust customization capabilities...

88%
WWI Source

WWI Source

544 ratings First Person Shooter

WWI Source: Fight in the rain soaked trenches or charge over No Man’s Land to battle in the War to End All Wars. Use authentic weaponry to conquer the...

89%
Fortress Forever

Fortress Forever

502 ratings First Person Shooter

Fortress Forever is a Source Mod inspired by Team Fortress. Our independent team has created this mod entirely from scratch. Fortress Forever should please...

91%
SourceForts

SourceForts

476 ratings First Person Shooter

SourceForts is a Half Life 2: Deathmatch mod where Combine and Rebels face off in capture-the-flag action with a big twist. Players build bases and other...

85%
Firearms: Source

Firearms: Source

509 ratings First Person Shooter

Firearms: Source is a team based first person shooter, rooted in the traditions of the Firearms mod for Half-Life. Firearms: Source brings the best aspects...

86%
CURSE

CURSE

499 ratings First Person Shooter

Curse Episodes is a Half-Life 2 single player total conversion : a mix of physics based combat, puzzles and exploration. In the first episode you can...