Online since 2002. The most comprehensive site for all around twisty puzzles.

Josh Frankel
Diamond Bob's Billiards 8 Ball PuzzleArrange the 8 pool balls in numerical order.
Diamond Bob's Billiards 9 Ball PuzzleA true sequential movement puzzle. The 10 "balls" move around on a non-trivial track.
Diamond Bob's Diamond 8 Puzzle8 billiard balls in a square container. The balls can rotate around the perimeter, or move across the center along one axis.


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