3.8
Official trailer to the upcoming Episode One
4
The Second Episode of the Half-Life Trilogy
5
Free-to-use NSFW mod for Half-Life
Free and open-source RPG software mod
4.4
A tribute to the classic FPS game
Leaked beta maps for Half-Life 2
An unofficial Half-Life mod
A free Half Life mod functioning as its own game
Create movies from your favorite Valve games
Survive in this tough Half-Life mod
Patch for one of the best 3D action games
3
Massive overhaul mod for HL2
4.2
Sequel for a cult classic
Enhance and improve Half-Life 2
Free MOBA game
Custom zombie campaign for Half-Life
Popular cricket game with realistic graphics