3D Billiards Online Games - Version 2.1 PopGameBox is a free multiplayer online billiards game with lively 3D graphics and a friendly worldwide community. This program includes 8 Ball, 9 Ball, 15 Ball and Snooker, which the operations are the most similar as you do in your real life. You can compete with and chat with many real players around the world. Tournaments are held every day.