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 415)
96%
Black Mesa

Black Mesa

3,317 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...

95%
Nightmare House 2

Nightmare House 2

1,693 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%
Underhell

Underhell

1,707 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%
MINERVA

MINERVA

1,265 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...

94%
Hidden Source

Hidden Source

671 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...

93%
Black Mesa: Surface Tension Uncut

Black Mesa: Surface Tension Uncut

126 ratings First Person Shooter

Hi there, and welcome to my project to "uncut" Black Mesa! Black Mesa was a crowning achievement for modding for sure, but it felt like it was lacking...

93%
Overwatch

Overwatch

304 ratings Real Time Shooter

Overwatch is a cooperative asymmetric multiplayer Real-Time Strategy Shooter (FPS/RTS hybrid). Overwatch is powered by the Source engine and is set in...

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...

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%
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...

93%
Resistance & Liberation

Resistance & Liberation

760 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...

93%
Half Life 2 : WiiMote Mod

Half Life 2 : WiiMote Mod

52 ratings Adventure

STATUS In public beta! Visit website for download. INSTALL NOTES The first time you try to run a game/mod under Half Life 2 Wiimote Mod it will create...

92%
Zombie Master

Zombie Master

737 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...

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...

92%
1Week

1Week

57 ratings First Person Shooter

An entire mod developed in a week. Is it possible? We just proved it was. An enjoyable mix of ego-shooters, fast-based CTF gameplay and team base attack/defend...

91%
Suicide Survival

Suicide Survival

376 ratings First Person Shooter

Suicide Survival is a modification of Half-Life 2 Deathmatch. There are two teams. You either play as an overweight WW2 pilot in the survivor team or...

91%
Water

Water

156 ratings Puzzle

Water is a third person puzzle solving adventure type of game with an unique look and gameplay. It's a story about a mermaid, and fish men who aren't...

91%
Action Halflife 2

Action Halflife 2

126 ratings First Person Shooter

Action Half Life 2 is designed to simulate the experience of being in an Action movie. Movies like Hard Boiled, Face Off, and Die Hard are the inspiration...

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.

91%
Rock 24

Rock 24

196 ratings First Person Shooter

Rock 24 takes place on an abandoned Cliffside prison. The prison is situated on the side of a sheer cliff face meaning the only real way in and out is...

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%
Battle Grounds 2

Battle Grounds 2

720 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...

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...

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...

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...

90%
SMOD OUTBREAK

SMOD OUTBREAK

379 ratings First Person Shooter

I have been laid down in a pit of darknesses and the shadow of death. And thy anger has pressed down upon me; and all thy cares have come down upon me...

90%
Titan: XCIX

Titan: XCIX

330 ratings Adventure

Titan: XCIX is a first person adventure that takes place aboard the ill fated star ship of the same name. When an accident rips apart a lone ship on a...

90%
Ballmen

Ballmen

95 ratings First Person Shooter

Ballmen is a total-conversion for Half-Life 2 featuring frenetic, fast-paced deathmatch with a unique twist: wallwalking. Essentially, any surface is...

90%
Eye of the Storm

Eye of the Storm

159 ratings First Person Shooter

This mod is sequel to already done and released mod for HL2 - Ravenholm, where you find yout something about John's story.

90%
Fortress Forever

Fortress Forever

503 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...