Black Mesa: Xen Trailer

To celebrate the 20th anniversary of the release of Half-Life, the long awaited final chapters of Black Mesa are shown in motion for the first time! Xen is targeted for release in Q2 2019. Steam: http://store.steampowered.com/app/362890/ Facebook: https://www.facebook.com/BlackMesaDevs Twitter: https://twitter.com/BlackMesaDevs