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

Moving: Tiles
Rainium RainbowSeven (not six) intersecting circles turning in steps of 90�.
Ramka A puzzle from the soviet union with intersecting plungers made in the eighties.
Ranking StarsTwo sets of three intersecting plungers. It comes with two blocks to bandage the puzzle additionally.

Rashkey 1First of a series of three similar puzzles. The three differ only by the colours of the pieces.
Rashkey 2Second of a series of three similar puzzles. The three differ only by the colours of the pieces.
Rashkey 3Third of a series of three similar puzzles. The three differ only by the colours of the pieces.

ReciprocatorTwo sets of parallel plungers are also connected by an inner pinion. Pressing one plunger causes the adjacent plunger to move in the opposite direction.
Rhombille Rex IIIThree intersecting circles, one of sixth order and two of third order.
Rhombus-Tri SliderA sliding piece puzzle similar to Elemental:Argon but with three plungers instead of four and some other small changes.

RigelTwo intersecting circles but with two concentric circles of pieces per half.
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.
RokettoThree intersecting circles allowing turns in 180° and sometimes 36°.
RootingerTwo intersecting circles combined with a plunger.


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