Over the course of the show, there are 3 known iterations of 9 Hoops:
9 Hoops:The hoops are all at the same height, in a 3x3 square formation. There are 3 confirmed victories for this version; Danish basketball palyer Adners Petersen, NBA player Michael Jordan, and Japanese player Hideaki Toyama
9 Hoops II (later referred to as just '9 Hoops'):
The baskets are arranged in a diamond formation, where 1,4,5,6 and 9 are stationary, while baskets 2 and 8 move horizontally and 3 and 7 move vertically.
9 Hoop ~hide~
The hoops are arranged in a 3x3 square formation, with the baskets at varying heights. Because of the positioning, some of the back row baskets are lower than the rows in front, hence the title "hidden". The only confirmed victory for this version is NBA player Michael JordanWinners in 9 Hoops are awarded with 200,000 yen (about $2,449.63).