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

Constraints without bandaging
Fence CubeA bandaged 3x3x3 with movable restrictions.
Good Neighbours CubeA 3x3x3 with constrained movements. No two lids are allowed in the same edge.
HANZOH - Half turn cubeFully proportional cube that allows only 180� turns.

Half Turn CubeA 3x3x3 that only allows 180-degree turns.
Half Turn TetraAn edge turning pyraminx which does not change shape.
Half-Turn DominoA Domino that allows only half turns on all three axes.

Hooked On The CubeAn exchange puzzle from the IPP17 in San Francisco, August 16-17, 1997.
Incomprehensible CubeA physical implementation of (UD', L, Ls, Fs). A 3x3x3 with a coupled pair of edges and two opposing sides coupled.
Irreversible Cube A puzzle that is scrambled by just one move.

Joint CubeA new principle to bandage a 3x3x3.
LimitationA 3x3x3 which implements another concept of contraining the movements.
The effect is similar to the constrained cube but the restrictions are variable.
Linked Cube FullcolorThe successor of the first Linked Cubes with 5-7 lines.

Linked Cube PlusA second successor of the first Linked Cubes with with one incomplete line.
LinkubA cube bandaged by connecting three pairs of pieces with a rope.
M24 CubeA Little Chop with two additional restrictions which transform the puzzle into the equivalent of the M24 Group, one of the sporadic groups.


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