I do believe that billiards is still played in places but I don't move in the right circles.

Unfortunately many pubs tend to have pool tables rather than either billiards or snooker. I suspect because it has a smaller table (so it takes up less space) and the game is shorter (giving more people a chance to play and generating more money).

I know of one version of late night billiards which has rather simple rules - no spitting, no gouging, no other rules. The last surviving player wins. I haven't played it but I know people who have survived!