Area 51
In production Half-Life modification continuing the original storyline.
Borked Hazard
A single player mod where you play as a member of staff in a training facility for Bio-tec research.
Chemical Existence
Total conversion set in the land of fighting gangs and evil corporations.
Deliverance
Reprise your role as Gordon Freeman in a story set after the end of Half-Life.
Night at the Office
A total conversion mod under development for the game Half-Life. Set in a high rise building with new characters, a security guard must battle terrorists.
Parallax
Single player modification with game overview, news, and screen shots.
Poke646
A Half-Life single player modification with new weapons and other details.
Project: Quantum Leap
Multi-authored, single-player Half-Life episode flouting any concept of continuity.
Someplace Else
Award-winning single-player Half-Life map, with no crates, grunts, air ducts and a Xen setting.