Dark vampire companion stands in a Victorian-style room in VTMB Companion Mod

Half-Life: Urbicide is a mod with 11 atmospheric maps for single-player gameplay. The events take place during the Xen invasion of Earth. You take on the role of Bruce, a warehouse manager trapped inside a building with a colleague, while his fiancée Rebecca attempts to rescue him.

ZPatch FOUC enhances and fixes several technical aspects of the game — it disables anti-debugging checks, removes the 100 FPS limit, turns off forced VSync, and introduces other useful improvements for smoother gameplay.

ZPatch FO2 is a fan-made patch that improves the technical side of the game. It adds widescreen support, removes the FPS cap, enables borderless windowed mode, split-screen multiplayer, and much more.

Half-Life: Dark Matter is a single-player campaign for Half-Life that stays as close as possible to the series' canon. In it, you play as a Black Ops operative who gets caught up in the Black Mesa events during the resonance cascade and tries to deal with the chaos.

Azure Sheep: Enlightened - a remaster of the original Azure Sheep mod with numerous changes affecting textures, HUD, weapon mechanics, levels, NPCs and much more.