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

2018
Reuleaux Leaf TetrahedronA tetrahedral 3x3x3 without one half of the corners.
Rex Cube (straight cuts)A Rex Cube reimplemented with straight cuts.
Rhomdo Transformer UnbandagedOscar van Deventer's Rhomdo Transformer with one level of unbandaging

RigelTwo intersecting circles but with two concentric circles of pieces per half.
RosecubeA 3x3x3 with a rose growing from it.
Rubik VedettaA 3x3x3 with leather pieces instead of stickers or tiles.

Rubik's Color BlocksA mass produced Bump Cube but with traditionally coloured stickers.
Rubik's CrystalAnother official Rubik's Cube. It uses tiles in transparent plastic.

Rubik's Stand PuzzleSome puzzle come with a stand. This stand is itself the puzzle.
Rugby FootballA Skewb diamond with four tips cut down to squares.
Rusty TowerA remake of the Babylon tower but with bandaged grooves.

SHIFT-SANITY - 7x9x11 ULTIMATE SHAPE SHIFTER CUBOIDDesigned to be the ultimate shape shifter cuboid.
SIABRYTwo bandaged 3x3x3s with one 2x2x2-block each and some additional block.
SPAX TetraA Spax Cube transformed into the shape of a tetrahedron.


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