Need a game to play this weekend? Thanks to the valiant efforts of some serious fans of the original Half-Life, you have one: Black Mesa. As mentioned in a post we made a couple of weeks ago, Black Mesa is a complete recreation of the game that made Valve famous, using a recent version of the Source engine. You can expect much-improved visuals and audio, more realistic physics and some tweaks that the developers felt were necessary to improve the game. Read the rest of our post and then discuss it here!