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

Dmitry Andreev
AlpheratzFour intersecting circles of two pairs of differently split circles.
Antares 12Two intersecting circles with 109 pieces, named after one of the brightest stars on the sky.
Aperiodic circlesFive intersecting circles in a pattern based on the recently discovered aperiodic tiling.

AviorA doctrinaire puzzle consisting of two intersecting circles that can be turned by steps of 90�.
Barrier PuzzlerThe Puzzler reimplemented in two versions at once, shown on opposite sides. With some optional blocking mechanism.
Boomdas4Sixteen pieces in a 2D puzzle almost arbitrarily shiftable against each other.

CapellaA hard jumbling intersecting circle puzzle.
CastorOne circle on the inside and five circles on the outside form a complex puzzle, derived from a theory-ladden concept.
Cor CaroliThree intersecting circles rotating around two centres.

Crazy TrioFour intersecting circles with a bunch of cuts.
Crazy puzzlerFour intersecting circles, two are 6-fold and two are 3-fold.
Double towerTwo sets of 4 acrilic layers with 5 marbles each.

DubheThree intersecting circles turning in steps of 90° and 180°
DuplexAn intersecting circle puzzle, but with a twist!
Duplex 2Two intersecting circles of which one can be twisted.


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