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

Six-Sided: Cube (Shape Preserving)
Rex 3x3x3A hybrid puzzle combining the 3x3x3 with a rex cube.
Rex cubeA corner turning hexahedron. Very similar to the MasterSkewb but without its corners.
Rex cube (straight cuts)A Rex Cube reimplemented with straight cuts.

Rex IllusionA Compy Cube that pretends to be a Rex Cube.
Rex SkewbA combination of Skewb and Rex Cube like the name says.
Rex Skewb 2x2x2Combines the cuts of the Rex Skewb (which itself combines two sets of cuts) with the 2x2x2.

Rhino CubeA puzzle with hybrid axis system consisting of a 3x3x3 and half of a Compy Cube.
Ripple CubeA Rex Cube with an additional set of cuts on the same axis.
Roadblock IA cubic 3x3x9 with some traditional corner pieces inserted. A puzzle out of a series of cubes that behave like a bandaged 9x9x9.

Roadblock IIA cubic 3x3x9 with four traditional corner pieces inserted. A puzzle out of a series of cubes that behave like a bandaged 9x9x9.
Roadblock IIIA cubic 3x3x9 with some traditional corner pieces inserted. A puzzle out of a series of cubes that behave like a bandaged 9x9x9.
RotoskewbAn offset Skewb with the mechanism of the Gear Pyraminx

Roux CubeLooks like a reimplemented Tie Cube but is a 3x3x3 with a new type of bandaging.
Royal SkewbA corner turning hexahedron with four cuts per axis. Despite the other puzzles with these properties the cuts are placed closer to the core.
Rubik's CbueA very tiny 1x1x3 which pretends to be a Mini cube. Please note the spelling error on the packaging.


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