How many players can play in snooker?

[Snooker is a one-to-one game.]

Snooker players in a game, players who play snooker in a certain country or around the world?

Snooker is generally a game for two individuals, although pairs matches are not uncommon, particular in league or other competitions.

As for the number of players who play the game, it is an unknown quantity: probably 1000-1500 who play in NGB tournaments of the various UK associations, and probably several tens of thousands including all the casual players around the UK.