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

Other Shapes: Other
Razor Truncation 3x3x3A combination of a half truncated cube and a truncated cube.
Razor Truncation 4x4x4Similar to the jagged cube but made from a 4x4x4.
Reach-Out CubeMechanically a cousin of Rhombiminx and Lolo's Octahedron this puzzle has a more intuitive shape and looks more like the Cross Cube.

RhomballA bandaged Dogic with some strange extensions placed upon the faces.
Rhomdo CometThe shape and axis system of the Rhomdo reduced to the simplest possible puzzle.
Ribbon CubeA 4x4x4 bandaged into a 2x2x4 and with half its pieces removed.

Roadblock CubeConceptually three 2x2x6s fused to one puzzle.
Rocket CubeA 3x3x3 depicting a rocket.
Rocket StarThe Rocket Twist with a five-fold symmetry instead of a three-fold symmetry.

Rocket TwistRocket Twist is the first in a new group of puzzles that do not have core but still jumble.
RocketaminxA pyraminx modified into something which resembles a rocket.
Royal CubillusionThe (hopefully) biggest brother of the Cubillusion.

Rubik 3x3x3 SemiballPiece-exchange-variant of Rubiks Cube with an uniquely striped sphere, or at least on eighth of it.
Rubik's Stand PuzzleSome puzzle come with a stand. This stand is itself the puzzle.
Rubik's UFOAn attractive little puzzle, possibly related to the legendary Rubik's Cheeze.

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