They Hunger Trilogy

A mod that randomizes almost everything in Half-Life, making each playthrough unique. Instead of the familiar crowbar, you might get a Hivehand, and a harmless headcrab could become a deadly enemy. Anything is possible - no matter how many times you return, you'll never predict what's around the corner.

An add-on that updates weapon and character animations in They Hunger, making them smoother and more detailed while preserving the original atmosphere.

Absolute Redemption is a story mod for Half-Life that continues Gordon Freeman's story after the events of the original. You'll encounter new missions with diverse scenarios and unexpected plot twists.

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.

Shockwave Single Player Experience is an addon for the C&C: ShockWave mod that adds campaigns from the original Generals and the Zero Hour expansion, as well as new missions in General Challenges.