Rex-Raptor-Evolution SkewbA corner turning hexahedron with three cuts per axis. It combines the Skewb with the Rex-Raptor-Evolution.
RexcageA Rex Cube with an additional type of corner but not the ones of the Master Skewb.
Rhombic SupernovaA rhombic dodecahedron with a hybrid axis system combining six cuts of two different types.
Rigel2A direct successor of Rigel from the same designer.
Rigel3A direct successor of Rigel from the same designer.
Ripple DisksFour intersecting disks that always allow half turns but only sometimes warter turns.
RodiniaThe Dino Associahedron with two additional cuts.
RokettoThree intersecting circles allowing turns in 180° and sometimes 36°.
Rolling pyramids V2Twenty-three tetrahedrons over a grid. The tetrahedrons have to be rolled around to scramble and solve the puzzle.
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