Arctic Adventure is a episodic modification set in Half-Life Universe. In this mod you will ride through the Arctic landscapes, discover Aperture Science secrets and try new weapons. Play loud or stealthly, solve puzzles, find passwords & try a new vehicle.

C.A.G.E.D. is an explosive prison escape adventure! Break-out and battle your way to freedom in this electrifying modification for Half-Life.

Half-Life: Before – is a modification for Half-Life with new levels and story. Mod is based on Spirit of Half-Life 1.8 technology, that increases visual and functional component of the mod.You're playing as a Black Mesa scientist Andrew Winner.

Be the bad guy in this modification for Half-Life 2 : Episode 2 and step into the boots of a stranded Metrocop, left for dead in the abandoned City 10.

A completely free and extensive community-developed update for Half-Life 2 featuring beautiful lighting, countless bug fixes, and a brand new Community Commentary Mode. With Half-Life 2: Update, there’s never been a better time to revisit City 17.

Estranged tells the story of a lone fisherman, whose ship is stranded on a mysterious island during a violent storm. Explore the rich environments and meet the curious inhabitants of the island as you find a way back to the mainland.

TE120 is a short single player experience set in the Half-Life Universe featuring a gravity defying weapon that allows you to jump buildings and sustain large falls. The story takes place at a mysterious date & location. Where are you? Why have you been sent?

Bad Cop is back. Command a small army of Combine synths and soldiers on a Northern campaign to capture Dr. Judith Mossman. A modification for Half-Life 2.

Be the bad guy in this modification for Half-Life 2 : Episode 2 and step into the boots of a stranded Metrocop, left for dead in the abandoned City 10.

DownFall is a Half-Life 2 single-player mod taking place in the White Forest surroundings. You're once more putting on the HEV suit as Gordon Freeman. Your mission is to recover a newly developed technology by the resistance, known as the "citadel buster", before the Combine manage to destroy it.

Year Long Alarm is a Half-Life 2 single-player mod that is set in an abandoned mine outside of City 17. A Scanner has discovered you, and the Combine are closing in on your position. Fight your way through a vast underground mine to try and meet up with the Resistance members of Station 12.

Portal Stories: Mel is a community made, free modification for Portal 2 based in the Portal universe. It tells the story of Mel, who meets a new personality core and faces an undiscovered threat to the Aperture facility.