It's prettier and most importantly-more exciting. It's a completely different experience to the original and to the rest of the game which is exactly what it's supposed to be. The original Xen was a pretty controversial part of Half-Life too, a pain point for many but in Black Mesa it's just awesome. If you just wish to see iconic moment it all goes wrong in the updated visuals of Black Mesa, we have a video up on our YouTube. YouTube videos require cookies, you must accept their cookies to view.