When I play Black Mesa, I still don't understand how this is the same engine that Half Life 2 was made on.

The gifts under the tree

the happy family

and brother

Merry Christmas

Damn

https://gamejolt.com/games/MeliTechDemo/1038006 the game of my friend is out

Go play it!

RTX

Happy Christmass

Art by: @Virus65

Optimization in progress

I love Black Mesa

They should make a Half-Life 2 mod where these two fight