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

Moving: Hole
Rolling pyramidsFifteen tetrahedrons over a grid. The tetrahedrons have to be rolled around to scramble and solve the puzzle.
Rolling pyramids V2Twenty-three tetrahedrons over a grid. The tetrahedrons have to be rolled around to scramble and solve the puzzle.
RomashkaAnother variant of the soviet flower puzzles.

Rota CubesThree cubes in a tetrahedral case. With every move they not only change position but also orientation.
Rotat Magic Bean Intelligence IOn of two variants of Back spin. This one has 29 marbles.
Rotat Magic Bean Intelligence IIOn of two variants of Back spin. This one has 23 marbles.

RotopuzzThis hex-shaped, 3x6 Whip-It puzzle is about 72 mm tall.
Row by RowOrganize pieces in rows or columns.
Rubik's Brain Racker (aka Rubik's Delta Ball)Looks like an Impossiball but is a moving hole puzzle which allows the pieces to change their orientation.

Rubik's Slide (moving hole)A new version of Peter's Black Hole, this time under the Rubik brand.
Rubik's Tower TwisterAnother version of the Sliding Tower in different size, produced under the Rubik's label.
Rusty TowerA remake of the Babylon tower but with bandaged grooves.

Réseau arc en cielA mug advertising for tires in french language.
SLIP-IT (aka Number Barrel)24 tiles in 3 layers with 8 columns and four colours.
SLIP-IT (aka Number Barrel) (4 layers)31 tiles in 4 layers with 8 columns and four colours.


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