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

Intersecting circles
10-10 VisionTwo circles intersecting with each other and allowing 10 steps per circles.
2018 FIFA World Cup RussiaTwo intersecting circles in a custom puzzle designed for the 2018 FIFA World Cup Russia
AlbireoFour intersecting circles of two pairs of differently split circles.

AldebaranTwo intersecting circles rotatable in six steps of unequal angle and a third circle rotatable by 72.
AlgolA hard jumbling intersecting circle puzzle.
AlpheratzFour intersecting circles of two pairs of differently split circles.

Another Double LoticaA custom made Lotica with one additional circle and only half turns for the outer circles.
AntaresTwo intersecting circles with 109 pieces, named after one of the brightest stars on the sky.
AreciboA two dimensional version of the Radiolarian 3 or a bandaged variant of the Sirius.

AruslokyTwo rotating circles - very similar to the Cohan Circle puzzle.
AviorA doctrinaire puzzle consisting of two intersecting circles that can be turned by steps of 90.
Bandaged QuadFour intersecting circles rotated with the help of plungers restricted in their movement.

Battle GearsA puzzle with intersecting circles and bandaged pieces. Produced in low quantity in seven different variants.
BinocoolarThree circles in different sizes. The two big ones rotate connected by gears.
Bubbles in a planeA 2D-puzzle that works only because it was fudged and still it demonstrates jumbling.

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