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

LxMxN (other)
Bump AI 2x4x4A 2x4x4 bumped and bandaged like an AI cube.
ChopsticksA mass produced 1x2x9 produced for Mefferts Jade Club.
Crazy Pill 4x4x6A mass produced 4x4x6 truncated into the shape of a pill.

CrazyBad 4x4x5 Cuboid (center-shifted)A 4x4x6 with one layer eliminated.
Cubic 4x4x5 IAnother 4x4x5 but truncated into the shape of a hexahedron.
Cubic 4x4x8 IIA cube behaving like a bandaged 8x8x8. All face pieces are split up.

Cuboid illusionThe unproportional brother of the Cubillusion.
Cuboid illusion (2x3x4)The smaller and bigger unproportional brother of the Cubillusion.
Cuboid illusion (3x3x4)The taller unproportional brother of the Cubillusion.

Cuboid illusion (3x3x5)The even taller unproportional brother of the Cubillusion.
Cuboid illusion (3x4x4)The even bigger unproportional brother of the Cubillusion.
Double Offset 3x4x4A 3x4x4 with the puzzles center placed off-center in two dimensions.

Enigma CubeThe Enigma Cube is a bumped cubic version of Dan Fast's center-shifted 4x4x5
Fisher 2x4x4A fishered 2x4x4.
Fisher 2x5x5A 2x5x5 twisted inside its solid by 45


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