Black Mesa +

Black Mesa is a 2020 first-person shooter game developed and published by Crowbar Collective. It is a third-party remake of Half-Life (1998) made in the Source game engine. Originally published as a free mod in September 2012, Black Mesa was approved by Half-Life developers Valve for a commercial release; the first commercial version was published as an early-access version in May 2015, followed by a full release in March 2020 for Microsoft Windows and Linux.