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

Intersecting circles
AlmaazTwo intersecting circles with the larger circle split in one circle and a ring.
AlnitakFour intersecting circles. Three of them jumbling.
AlpheratzFour intersecting circles of two pairs of differently split circles.

AndrozzleCrazy Rodium reduced by large number of pieces and with an additional small circle.
Another Double LoticaA custom made Lotica with one additional circle and only half turns for the outer circles.
Antares 12Two intersecting circles with 109 pieces, named after one of the brightest stars on the sky.

AnthinumTwo circles each turning with seven steps. A jumbling puzzle.
Aperiodic circlesFive intersecting circles in a pattern based on the recently discovered aperiodic tiling.
AreciboA two dimensional version of the Radiolarian 3 or a bandaged variant of the Sirius.

Arecibo 3Three circles, all intersecting with each other and turning in steps of 120°
Arecibo 3 PlusThree circles, all intersecting with each other and turning in steps of 120° with one level of unbanding.
Arecibo PlusFour (not three) intersecting circles turning in steps of 120�.

AruslokyTwo rotating circles - very similar to the Cohan Circle puzzle.
ArusloticaTwo intersecting circles, turnable by 60° and 180°.
AviorA doctrinaire puzzle consisting of two intersecting circles that can be turned by steps of 90�.


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