Half-Life Invasion Team
After Half-Life, enter Invasion, its single-player mod.
Half-Life: Visitors Project Team
Half-Life Visitor puts you in the shoes of a visitor in Black Mesa.
Fried Okra Games
Half-Life 2 CTF has all the fun you expect from a Capture The Flag game.
Riot Act adds more story and action to the Half-Life 2 Universe.
The Half-Life Model Viewer is a nice tool to view and analyze HL 3D models.
Vyacheslav Dzhura and Denys Zhatov
Half-Life: Decay is a PS2 story that comes now for the PC.
Half-Life Gold is a free and easy to use Half Life mod !
A Half-Life mod where you play as a headcrab or a zombie.
AMX Mod X Dev Team
AMX Mod is a scripting mod for Half-Life servers which is powerful and flexible.
The Cinematic Mod adds more details and a darker look to Half-Life 2 series.
Weekday Warrior is a Half-Life 2 total conversion mod.
Filippo De Luca , Lorenzo Pasini
The Specialists, is an action mod for Half-Life with unique play types.
Fortress Forever Team
Fortress Forever is a Team Fortress mod for Half-life 2's Source Engine.
Half-Life 2 is the next follow-up in the series of Half-Life.
Half-Life 2: Lost Coast is sort of an add-on for Half Life 2.
Half-Life 2: Episode 1 is the sequel to the first Half-Life 2 game.