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

Moving: Tiles
Jumble CloudA 2D-jumbling puzzle to make many others obsolete.
KPANEXTowers of Hanoi reimplemented in a surprising manner.
KaleidoscopeA moveable plunger intersecting with a rotating circle.

Kaleidoscope-3Four circles of tiles with two centres and turns in 120°.
Kaleidoscope-4Four circles of tiles with two centres.
Kamennyi TsvetokSix intersecting circles (in steps of 120°) in a 2D-puzzle of soviet origin.

Kangoeroe PuzzlerA newly coloured version of the classic Puzzler.
Keid 3Three circles turning in steps of 180° and one central circle to exchange pieces between them.
Keid 4Four circles turning in steps of 180° and one central circle to exchange pieces between them.

King RingSimilar to a Sando Ring.
Kornephoros1Two intersecting circles of different size turning in steps of eight.
Kornephoros2Three intersecting circles turning in steps of eight, eight and two.

Kornephoros3Three intersecting circles turning in steps of eight, eight and two.
Kvadratura KrugaA puzzle from the soviet era. Its title translates to "Squaring the circle"
Lace BraceletA Torus with 7 segments and 4 slices that rotate around the torus unlike tricky disky with which it share the solving method.


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