Source Engine

UPDATE:- Black Mesa - now with download mirrors

It would appear that the Black Mesa project is releasing the first chapter of the Half-Life 1 revamp on September 14th.
The revamp is a community project to port the original Half-Life 1 game using Valves own development tools onto the Source Engine for an improved gameplay experience.

Although the project is not yet 100% complete, Carlos Montero and his army of developers have decided to release the first chapter which follows the orignal storyline upto Lamda Core which is expected to take players upto 10 hours to complete.

They will then rele