Anyone Remember This?

Recently I had these types of vids pop up into my recommended feed on youtube :

And I took some time to indulge in nostalgia. I remember playing this back in 2012 and I was wondering if people still remember this gamemode. Those were some good times in Gmod for me. I think it would be really cool to have something like that recreated.

If anyone has any fun experiences with this gamemode I hope you all can share them here. :D