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.
Royal TetrahedronThe tetrahedral cousin of the Royal Skewb but invented earlier.
Royal Wedding CubeUn-Official Wedding Cube. Prince Charles and Princess Diana.
RuaA face turning rhombic dodecahedron with cuts to make the number of pieces minimal.
Rub el HizbOne circle rotating by 45° plus one plunger to exchange pieces.
Rub-It CubeThis one inch white pencil eraser has a Rubik's Cube printed on it.
Rubber Scrabble PiecesA mid-sized cube with rubber scrabble pieces from a vintage travel scrabble game.
Rubbik's CubeA 3x3x3 with pieces covered with Polytek Poly PT Flex 20 Liquid Casting Rubber.
Rubenking 4x4x4The stickering scheme of the Rubenking Cube adapted to a 4x4x4.
Rubenking CubeAn attractive sticker variation with confusing properties.
Royal Puzzle
Royal Pyraminx
Royal Shakespeare Company
Royal Skewb
Royal Tetrahedron
Royal Wedding Cube
Rua
Rub el Hizb
Rub-It Cube
Rubber Scrabble Pieces
Rubbik's Cube
Rubenking 4x4x4
Rubenking Cube
Rubik
Rubik (Blackie Books)