Ring game is a pool

Pocket billiards

Pool, also more formally known as pocket billiards or pool billiards , is the family of cue sports and games played on a pool table having six receptacles called pockets along the , into which balls are deposited as the main goal of play. Popular versions include eight-ball and nine-ball...

 (pocket billiards), that refers to multi-player games or series of games in which players may enter and leave as they wish and as their wallets and luck permit. Some pool games are by their nature played almost exclusively as ring games, especially three-ball and killer

Killer (pool)

Killer or killers is a multi-player folk variant of straight pool in which each player is assigned a set number of "lives" and takes one shot per to attempt to a ball, or else lose a life. Usually if the player then an additional life is lost...

. In pool, "ring game" can also mean a multi-player game with a participant roster that is fixed after the contest begins; the annual Derby City Classic

Derby City Classic

The Derby City Classic is an annual pocket billiard convention held every January in Louisville, Kentucky. It is eight days long and offers various disciplines of pocket billiard competitions for pool players of all caliber. It is often referred to as the DCC.hui- History :The annual convention...

 hosts (among other competitions) a six-player ten-ball ring game of this sort with a pot of $18,000, and the popular three-player game cutthroat is a game of this sort.