Blackball (pool) number "8" (a holdover from kelly pool), though numberless variants are not unknown. British pool tables come in 6 × 3 foot (1.8 × 0.9 m) or 7 × 3.5 ft (2.12 × 1.06 m) varieties, with 7 feet being the regulation size for league play. The table has pockets just larger than the balls and rounded, as in the game of snooker, whereas the international-style (or "American-style") table has pockets significantly wider, with pointed . Tournament rules may require the presence of more than one type of (mechanical bridge), as in snooker. There are two competing standards bodies that
World Snooker Championship video games Snooker Championship". The game was developed by Sega instead of Codemasters. The game was also the first released on a handheld console, as the "World Snooker Challenge 2005" on the PlayStation Portable. The game featured a playable "League of Champions" mode, where infamous past snooker matches can be replayed. The game included additional modes such as bar billiards. In "free play" mode, variables such as table size can be altered. World Snooker Championship 2007 was released on 12 January 2007. The box art features John Higgins, Ronnie O'Sullivan and Shaun Murphy. This was the first game in the series to