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

Crazy Puzzle (other)
Circular 5x5x5 Cube IIIA 5x5x5 with large circles, connected with the central layers. Slightly smaller than the maximum.
Circular 5x5x5 Cube IVA 5x5x5 with large circles, connected with the central layers.
Crazier FloppyA Floppy Cube with a circle that contains hexagonal prism.

Crazy 1x2x2The crazy variant of the 1x2x2.
Crazy 1x2x3The crazy variant of the 1x2x3.
Crazy 1x2x3 IIA crazy 1x2x3 with circles on the 1x3 sides. One circle is moving, the other is fixed.

Crazy 1x3x3A 1x3x3 with four circles on the short sides, two fixed to the surrounded sides, two non-fixed.
Crazy 2x2x3A 2x2x3 in hexahedral shape with circles on all six faces.
Crazy 2x3x3 (3 circles)A 2x3x3 in hexahedral shape with circles on all six faces.

Crazy 2x3x3 IIA 2x3x3 with circles on the 2x3 faces.
Crazy 5-Layers Pentahedron PuzzleA derivative of the Triangular Prism with five layers and circles in the three rectangular faces.
Crazy Dino CubeA Dino Cube with with circles in the corners.

Crazy DodeRhombus PlusA variant of the DodeRhombus with circles on each face.
Crazy DoderhombusThe face turning rhombic dodecahedron with additional circles. Implemented by bandaging a Crazy Doderhombus Plus.
Crazy FTRD - ErisCrazy FTRD configured in the only possible setup where the three "1" faces do not intersect.


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