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

Binary Arts
Back SpinA mix between the moving hole puzzles and the two-layer UFO puzzles.
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.
Elephant OutA colourful version of Spin Out, but in a smaller size and the knobs are decorated with elephants.
Port to PortA version of the standard Tripple Cross puzzle. Use two up-down plungers and a left-right plunger to move your ship from one end of the board to another.

Spin-OutTry and remove the inner sliding mechanism, blocked by knobs you can only turn one at a time.
SwitchBackA series of 8 bars with holes in them is used to move the marbles from cell to cell.
Top-Spin"Just put the numbers in order"... sounds a lot easier than it is!

Triple CrossUse two up-down plungers and a left-right plunger to set the 3 orange dots, a green circle and the words "Binary Arts". A grey and a blue version exists.
Triple Cross - Puzzling The WorldA variant of the Triple Cross.
Turn Stile - basic versionA moving tiles puzzle with two intersecting circles.

Twin Spin (aka Turn Stile)Two overlapping wheels. Promotional version for The Museum Company.

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