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

Moving: Tiles
Orbital PuzzleThree intersecting rings in a 2D-puzzle of soviet origin.
Ordinary RingThe Binary Ring reduced to one ring.
OrionA puzzle with 25 circles and 60 pieces.

Orion (Mako)Six intersecting circles rotatable in steps of 120
Orion-14Four intersecting circles (in steps of 90) in a 2D-puzzle of soviet origin.
Orlov TwoTwo circles and irregular center pieces.

Orlov fourThe successor of the Orlov with four gears, even with the same middle pieces.
Orlov gearInspired by the gear puzzles from Douglas Engel. Three circles and irregular center pieces.
PakovalecPuzzle from the Czech Republic. Alternative names are Zylla and Xylinder and Dutch Tube.

Palapunga L113*4 pieces moved similar to the ten billion barrel. The white version which is easier.
Palapunga L213*4 pieces moved similar to the ten billion barrel. The black version which is more difficult.
PaletteIn this puzzle not the pieces itself move but the frame around them.

PandaOne 6-fold rotation and two 3-fold rotations with uncoloured pieces covering an animal as background.
PanexA puzzle similar to the famous "Towers of Hanoi" but more diffcult.
Pascals JumbleA puzzle with moving circles specifically made to allow jumbling moves.


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