Half-Life 1 engine based games
翻译 - 基于Half-Life 1引擎的游戏
Half-Life 2 SDK Mirrors
AMX Mod X - Half-Life 1 Scripting and Administration
Half Life Browser Port
Half-Life Asset Manager, a tool to view and edit Half-Life 1 models
Portable Half-Life SDK. GoldSource and Xash3D. Crossplatform.
Natural Selection mod for Half-life
SteamVR driver for Half-Life-Alyx for playing without VR / драйвер для игры без VR
翻译 - TrueOpenVR＆SteamVR驱动程序，适用于Half-Life-Alyx，无需VR即可播放/否
Half-Life in WebGL
Half-Life 2 Chaos is a chaos mod for Half-Life 2
Half-Life Sound Files
Half-Life 2 Sound Files
Launcher for Half-Life: Alyx NoVR
Half-Life 1 SDK Mirror (2.3p3)
Half-Life: Opposing Force SDK based on Half-Life Updated, with bug fixes. Check README.md for more information.
Half-Life: Blue Shift SDK based on Half-Life Updated, with bug fixes. Check README.md for more information.
Half-Life SDK with env_fog implemented
Cross-platform Half-Life 1 map decompiler
Source Code of Half-Life: Planck Epoch