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

2009
Two layer dodecagonal prismThe cousin of the dodecagonal prism with two layers. Without visible centers.
Two layer hexagonal prismThe cousin of the hex prism with two layers.
USB StickA USB-Stick which pretends to be a 1x1x3.

Ufo GalaxyA derivate of Tricky Disky with five wings and four segments
Ultra Master MagicA custom made Rubiks Magic with 20 tiles. The creator designed at least 4 different variants.
Uncanny CubeA semi-cubic twisty puzzle with only five turning faces.

Unique-2A truncated and extended 3x3x3 without any kind of symmetry or regularity.
Unlucky TwistA 1x2x13 twisty puzzle.
V-Cube 7 DazzlerA mass produced 7x7x7 with coloured plastic pieces instead of stickers.

V-Cube IllusionA V-Cube 7 "Illusion" colour variation with several checkerboards.
Valentine's Siamese Heart 1x3x3 (aka heart to heart)Two heart shapes Floppy cubes fused into a Siamese Puzzle
Vertex turning cuboctahedronA Helicopter Cube truncated into the shape of cuboctahedron.

VierzackAn Ultimate Skewb with uniform extension on four sides. Very similar to the Doppelkeil but independently invented.
Virus CubeA 5x5x5 in a shape which mixes a sphere and a tetrahedron.
Void BallA Void cube transformed into a sphere like shape.


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