Sinossi
 Relive Half-Life   Black Mesa  is the fan-made reimagining of Valve Software’s  Half-Life .
        
  Black Mesa: Definitive Edition  Update 1.5 brings together all the improvements to graphics and gameplay across 15 years of development to create the final version of Black Mesa. There has never been a better time to pick up the crowbar and play!
        
  Single Player Campaign  You are Gordon Freeman, a theoretical physicist at the Black Mesa Research Facility. When a routine experiment goes horribly wrong, you must fight your way through an interdimensional alien invasion, and a bloodthirsty military clean-up crew in order to save the science team... and the world!
        
  Features     A completely reimagined and refined single player campaign, including all new and expanded Xen levels 
    19 chapters of fighting through top-secret labs, running atop harsh desert landscapes, sneaking into abandoned railways, and leaping across dimensions
    Mind-Blowing graphics and effects, never before seen on the Source Engine
    Face off against an army of classic enemies, updated with new features and engaging AI
    Wield an arsenal of military hardware, scientific prototypes, and the iconic crowbar through incredibly detailed environments
    The all-new soundtrack and voice acting create a more immersive experience than ever before
    50 Fun and challenging achievements
          
  Multiplayer  Frag your friends across  10  iconic maps from the Half-Life universe, including:
    Bounce
    Gasworks
    Stalkyard
    Undertow
    Crossfire
          
  Workshop  Create your own mods, models, and maps with the  Black Mesa  Source SDK, then share it with the community on the Steam Workshop.
        
  Steamworks  Collect the full set of trading cards, backgrounds, emoticons, and achievements! Featuring Steam Cloud, Steam Workshop, closed captions in multiple languages and full controller support.