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

Moving: Tiles
Crazy Rodium 3The Crazy Rodium with three circles instead of two.
Crazy Super LooperThree circles on one line, each allowing 180 turns with deeper intersections. Plus four additional inner circles.
Crazy TrioFour intersecting circles with a bunch of cuts.

Crazy puzzlerFour intersecting circles, two are 6-fold and two are 3-fold.
Crossover puzzleA puzzle back from the early 1980s produced by Nintendo. It works with intersecting plunges and polarised light.
Dancing GearsA puzzle with two intersecting circles. Produced in low quantity in four different variants.

Dihexium keychainTwo intersecting circles rotatable by 120� in a minimalistic design.
DiogenesThree layers, ten segments and an unusual mechanism.
Disk PuzzleSimilar to other tricky disky puzzles with 6 coloured half-cylinders in 2 layers, 6 columns.

Dots (Crossover)A rebuilt Crossover puzzle with a custom scheme on the tiles.
Double Circle PuzzleFour circles with one tile in the intersection. Every turn rotates two circles at once.
Double CrossOne plunger and two rotations used to move ten pieces.

Double Cross PlusOne plunger and two rotations combined with intersecting pieces.
Double DiskA puzzle with four rotating intersecting circles.
Double FiveThe Vertushka reimplemented with a more traditional mechanism.

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