Pool Master is a popular online multiplayer game where players compete against each other in a virtual billiards table. The objective is to pocket all of your designated balls (stripes or solids) and then sink the 8 ball to win. Players take turns using a virtual cue stick to aim and shoot the cue ball, applying spin and force to maneuver it around the table and pocket the balls. It's a game that combines strategy, precision, and skill, often played by individuals or in tournaments, offering different levels of tables and challenges for players of varying skills.