Online since 2002. Over 3300 puzzles, 2600 worldwide members, and 270,000 messages.

What's New: The Past 7 Days
1x2x9Another case of twistypuzzle extremism. A proof-of-concept how far a mechanism can be driven.
1x3x3 Mirror floppy flipA modification of a 3x3x3 mirror cube.
2x3x4 Fisher Wall Cube (vertical)An MF8 2x3x4 that has been "Fishered" and then turned 90 degrees. This time done on a different axis.

3x4x5 (bandaged)A 5x5x5 bandaged to emulate a cuboid.
AI Assimetric 5x5x5A bandaged 5x5x5 inspired by the AI Cube.
AI Variant 4x4x4A highly symmetrically bandaged 4x4x4 inspired by the AI Cube.

Big Block 5x5x5A 5x5x5 with one big block of size 2x2x5. It is equivalent to the older Siamese 20 (2x2x5).
BiNCube 7 AdvancedA modified version of the Bicube adapted to a 7x7x7.
CaTSuPA corner turning square pyramid. The first of its kind and a jumbling only axis system.

Combo CurFaTRhoTriA hybrid puzzle with two axis systems in the shape of a rhombic triacontahedron.
Crazy 2-FaceAn extension of the series of Crazy 3x3x3 Plus Cubes.
Crazy TrioFour intersecting circles with a bunch of cuts.

Curvy Copter Plus TwistAn edge turning cube with three axis twisted by 60°.
DuplexAn intersecting circle puzzle, but with a twist!
Fisher Cylinder A fisher cube modified into the shape of a cylinder.


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