Single-Player 
Multiplayer Black Mesa is a 3D adventure first-person shooter and revitalized take on Valve's classic title featuring a fresh soundtrack, new voice acting, and updated graphics. Once again players can join Gordon Freeman on his storied journey through a mysterious research facility where challenging encounters, memorable characters, and brain-bending puzzles await those who dare explore it.
Business Model: Buy-to-Play
Microtransactions: No
Key Features:
Take Me Back: Revisit one of the best made games of all time with modern improvements.
Versus Action: Make unforgettable areas like Bounce, Lambabunker, Subtransit, Undertow, Stalkyard, and Gasworks your battlegrounds in the explosive multiplayer mode.
Sweeten the Deal: Enjoy the perks of fully-integrated Steam support including access to collectible achievements, expressive emoticons, marvelous backgrounds, exhaustive modding tools, and much more!
