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

Six-Sided: Cube (Shape Preserving)
Crazy EdgeA hybrid of face and edge turning cube that does not jumble.
Crazy SkewbA skewb with circles. Equivalent to the Crazy tetrahedron.
Crazy UnicornThe Unicorn in a crazy version, with circles on the faces.

Creator/DestroyerA Curvy Copter with a space theme, two ancient monoliths roaming the cosmos. One emits stars and elements, the other consumes everything in its path.
Crescent CubeA hybrid of corner and edge turning cube a little bit more complex than the simplest possible.
Cube in cubeA reimplementation of the edgeless 4x4x4, dotted with lego pieces.

Cubic 2x2x18Cubic 2x2x18, made from a mini 2x2x2.
Cubic 2x2x6A 2x2x6 in shape of a cube.
Cubic 3x3x5A 3x3x5 in shape of a hexahedron. This allows some moves a true 3x3x5 cuboid would not allow.

Cubic 3x3x5 A relative of the mass produced cubic 3x3x5 made by exchanging pieces.
Cubic 3x3x5 IIA relative of the mass produced cubic 3x3x5 made by exchanging pieces.
Cubic 3x3x6Mass produced cubic 3x3x6. A mixtures of pieces from two different pieces.

Cubic 3x3x6 IIA true cubic 3x3x6 with layers of identical thickness.
Cubic 3x3x7Mass produced cubic 3x3x7.
Cubic 3x3x9 IThe logic successor of the cubic 3x3x7. A cuboid out of a series of cubes that behave like a bandaged 9x9x9.


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