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

2017
Project ShiftA Ghost version of the 1x2x3 2x2x3 mashup.
Pyra&Cube IXA piece-shuffle variant with pieces taken from a 3x3x3 and a Master Pyramorphix. #9 in a series of orginally 6 variants.
Pyra&Cube VIIIA piece-shuffle variant with pieces taken from a 3x3x3 and a Master Pyramorphix. #8 in a series of orginally 6 variants.

Pyra&Cube XA piece-shuffle variant with pieces taken from a 3x3x3 and a Master Pyramorphix. #10 in a series of orginally 6 variants.
PyraStar 4x4x4PyraStar 4x4x4 stickerless with 4 colours.
Pyraminx Deluxe Limited EditionAnother version of the Pyraminx. It has wooden tiles.

Quartolabacus A newly-designed Astrolabacus with four channels of beads instead of two.
Qubami 6x6x6Qubami 6x6x6 is a variation of qubami, applied to a 6x6x6. It has five solutions similar to the original qubami.
Queen Mary's JewelThe first puzzle based on the tetrakis hexahedron, a jumbling only puzzle.

RB Square-2The concept of the "Marcos Square-1" applied to a Square-2: A Square-2 in midturn transformed back into cubic shape.
Rail-less 8 segment cheeseA rail-less one-layered Masterball in shape of a cuboid.
RainbowlabacusA small but symmetry-breaking modification of the Astrolabacus.

Ranking StarsTwo sets of three intersecting plungers. It comes with two blocks to bandage the puzzle additionally.
Redi 2x2x2A mass produced Redi cube cut and screwed into a 3D printed core.
Rex FlowerA corner turning pentagonal prism with cuts one the square faces resembling a Rex Cube.


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