Half-Life (Best Seller Series) Updates

The Hostile Intent mod strives to produce an ultra-realistic experience by adding realistic weapon damage and missions.

The Science & Industry mod puts you in the role of a security officer in one of two rival research and development firms.

The Sven Co-Op mod for Half-Life will add co-op multiplayer to the game, with the inclusion of new features, as well.

Chapter V of the Vampire Slayer mod will pit the dexterous vampires against the armed slayers.

The Battle Grounds mod lets you play in either the Royal British Army or the Colonial United States Continental Army.

In this mod, you will assume the role of a security officer in one of two rival corporations that seeks to dominate chemical and weapons development.

This mod is based on the Dragonball Z series and will allow you to perform your favorite characters' signature moves.

This map is a sequel to the popular Crossfilre map.

This small deathmatch map has four buildings, two bounce pads, and a cannon.

This is the Project Timeless 1.0 beta mod for Half-Life. It is designed to specifically be a multi-player mod, and to that end encourages strategy and teamwork.

This Half-Life mod focuses on realistic team-based action and includes lots of new weapons. It's recommended that you play Firearms via Steam.

In case you're having problems downloading games directly via Valve's Steam service, this installer includes the cache files for all of the Half-Life games playable via Steam. This still requires that you have a Steam account and a Half-Life CD-key.

This installer includes the cache files for Half-Life, in case you're having problems downloading games directly via Valve's Steam service. This still requires that you have a Steam account and a Half-Life CD-key.

This team-based Half-Life mod is based on Sony Picture's upcoming movie Underworld. This updated version includes two new maps and a new Black Widow spider weapon, among other improvements.

The official release of Valve's Steam software for downloading and playing Half-Life-related games requires a valid Half-Life CD-key.

Download the latest version of this shooter-strategy hybrid mod.

This Half-Life mod was produced as a tie-in to the Sony Pictures movie, Underworld, and combines a horror theme with team-based gameplay.

This Half-Life mod lets you play as a highly agile character or heavy-weapons specialist, and the 2.0 version adds many new weapons.