: Features full Workshop support, achievements, and cloud saves. PC System Requirements Black Mesa Price history - SteamDB
: You can still download the original 2012 mod version for free from sites like ModDB or BlackMesaSource.com. black-mesa-free-download-pc-game-full-version
: A ground-up recreation of the 1998 classic Half-Life using the Source engine. : Features full Workshop support, achievements, and cloud