Explore dark underground corridors with crowbar in Half-Life Legacy mod

Shift-Two is an action-oriented mod for Half-Life 1 that continues the tradition of classic fan projects. Players find themselves in new locations where the focus is on action: frequent firefights and intense battles against HECU soldiers and aliens with no long breaks for rest.

Edge of Darkness is a single-player mod for Half-Life where Gordon Freeman is sent by the A.C.I.B. organization to a secret mountain base to stop a new threat. The mod combines dynamic combat, atmospheric locations, and cinematic events.

CS Darkstar is an alternative version of the original USS Darkstar mod with weapons from Counter-Strike.

FlatOut: Ultimate Carnage Bouncy Mod is a plugin for FlatOut: Ultimate Carnage that makes all physical objects and opponents bouncy on impact.

Half-Life Overhaul Reanimation Pack — an addon for the Half-Life Overhaul Pack mod, adds weapons and elements from Opposing Force, as well as new animations for classic guns.