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

Moving: Tiles
Puzzler - StripesOne of the lesser known versions of Puzzler by Douglas Engel.
Puzzler - TricolorOne of the lesser known versions of Puzzler by Douglas Engel.
QuadriA very rare version of the original Swissmad. It presumably never made it into production.

Quadro 3An redesigned and improved version of Slide Rule Duel.
Quadruple DiskTwo Double Disks fused into one puzzle.
Rack 'Em Up (Milton Bradley)Milton Bradley version. Organize the 16 pieces into rows.

Rack 'Em Up (Tomy)Tomy version. Organize the 16 thingies into rows.
Radosza's RingsA heavily simplified relative of the Equator.
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 for bandaging the puzzle additionally.
Rashkey 1First of a series of three similar puzzles. The three differ only by the colors of the pieces.
Rashkey 2Second of a series of three similar puzzles. The three differ only by the colors of the pieces.

Rashkey 3Third of a series of three similar puzzles. The three differ only by the colors 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.
Rhombus-Tri SliderA sliding piece puzzle similar to Elemental:Argon but with three plungers instead of four and some other small changes.


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