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

Carl N. Hoff
Augmented SkewbA Skewb with additional piece but still only two functional layers per axis.
Bubblism521A corner turning pentagonal prism designed to be a puzzle with a multi-origin-core. The sixth implementation of this concept.
Bubbloid112A corner turning cuboid designed to be a puzzle with a multi-origin-core. The second implementation of this concept.

Bubbloid122A Compy Cube redesigned to be a puzzle with a multi-origin-core.
Bubbloid123A corner turning cuboid designed to be a puzzle with a multi-origin-core. The third implementation of this concept.
Bubbloid223A corner turning cuboid designed to be a puzzle with a multi-origin-core. The fifth implementation of this concept.

Bubbloid233A corner turning cuboid designed to be a puzzle with a multi-origin-core. The fourth implementation of this concept.
Complex 3x3x3An implementation of a 8-years-old dream. A 3x3x3 with six additional pieces types known before only through geometry.
Doctor CubeA Mixup Cube reduced to the slice moves.

Doctor SkewbA slices-turn-only Mixup Master Skewb. It has 4 possible twists with steps of 30° each.
DoDep KitThis puzzle succeeds the Neptune DoDep. It allows to implement 680 puzzles with on kit.
Double Circle Real 5x5x5The Real 5x5x5 => A 5x5x5 with a 3x3x3 inside and twistable.

Double Circle Real 6x6x6A real 6x6x6, a 6x6x6 where you also have to solve the inner 4x4x4 and the 2x2x2 inside of it.
Dual SkewbTwo skewbs built over each other to implement a rarely seen piece type instead of the non-present traditional faces pieces.
Evil DoppelgängerA special subvariant of the Multi Gear Cube Kit closely related to the Gear Cube Extreme.


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