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

2021
Illusion 4x4 Windmill CubeThe cousin of the Illusion 4x4x4 Windwall Cube without the wall aspect.
Illusion 4x4x4 (stickered)A 4x4x4 piece swap that showing the permutations of paired pieces to reveal parity problems to novices.
Illusion 4x4x4 Cane BallTwo truncated cuboctahedron 4x4x4s exchanged pieces and thereby reimplemented the concept of the Illusion cubes.

Illusion 4x4x4 Hexagonal DipyramidTwo 4x4x4s in shape of hexagonal dipyramids exchanged pieces and thereby reimplemented the concept of the Illusion cubes.
Illusion 4x4x4 OctahedronTwo octahedral 4x4x4s exchanged pieces and thereby reimplemented the concept of the Illusion cubes.
Illusion 4x4x4 Rhombic DodecahedronTwo rhombic dodecahedron 4x4x4s exchanged pieces and thereby reimplemented the concept of the Illusion cubes.

Insanity HouseA 3x3x3 that combines three different concepts of shape variants.
Instant noodles cube IIA 3x3x3 designed after a type of instant noodles.
IRT V1 F1Fragmentation version of the Big Stingray puzzle. It allows more turns than the doctrinaire puzzle.

IRT V1 F2The Big Stingray with additional turning abilities.
Ivy + Offset SkewbA corner turning hexahedron. A hybrid model which combines an Ivy cube with a offset Skewb.
Ivy MadnessThe easiest possible face turning triangular dipyramid in shape of a nine-sided solid.

Ivy+Compino cubeA corner turning hexahedron. A hybrid model which combines an Ivy cube with 4 corners rotating like a Compino cube.
Jade CrossA Cross Cube (2x2x2) in the shape of a truncated triakis tetrahedron.
Jade ZA Super Z (Skewb+2x2x2) in the shape of a truncated triakis tetrahedron.


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