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

4x4x4
Cartoon animalsA 4x4x4 from Eastsheen with cartoonish animals.
Center Bandaged 4x4x4One of the two bandaged 4x4x4 with the highest possible degree of symmetry.
Checker Cube aka Chess Cube aka Checker BoardA black-and-white 4x4x4. Still not trivial to solve.

Chimera BridgesEight AI Cubes connected with twelve bridges each consisting of eigth cubies glued to adjacent bandaged blocks.
Cornerless 4x4x4A 4x4x4 without the corners but still in hexahedral shape.
Cornerless 4x4x4 IIA 4x4x4 without corners and without the shape of a hexahedron.

Crazy Pill 4x4x4A 4x4x4 in shape of a pill.
Cross Trajber's octahedronA cross version of a Trajber's octahedron.
Cube in cubeA reimplementation of the edgeless 4x4x4, dotted with lego pieces.

Cube-BillusionThe principle of the Cubillusion brought to another dimension.
Cube-TrillusionThe principle of the Cubillusion brought to two additional dimensions.
Cubillusion PuzzleA 4x4x4 was extended to create an illusion of two impossibly fused 3x3x3s.

CubosferaA 4x4x4 combined with the sphere of the same mechanism. With three straight sides.
CycloneA Mixup cube with eight pieces were turned by 90°.
Dia-Cube 4A 4x4x4 bandaged with a known pattern of a smaller bandaged cube in one corner.


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