Half-Life celebrates it's 20th anniversary (BLACK MESA: XEN)

[CRITAWAKETS]

Sven Coop or Synergy, or maybe even both in a marathon would be nice fun.

[Ad Bot]

[Mr Queeba]

https://www.youtube.com/watch?v=OY2_53oydbM

[MysteryDragon]

Black Mesa's Xen looks absolutely stunning.

[Master Shadow Phoenix]

And yet one question is yet to be answered.

Do you know who ate all the donuts?