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

Oskar van Deventer
Mixup 2x3x3A 2x3x3 which allows Mixup moves.
Mixup 2x4x4Looks like a 2x4x4 but like the Mixup Cube allows strange moves.
Mixup 3x3x4Another Mixup puzzle by the (re-)inventor of the Mixup Cube. This time a 3x3x4 was "mixed up".

Mixup 5x5x5The bigger cousin of the Mixup Cube. A fudged and jumbling puzzle.
Mixup KitesA Mixup Cube shape transformed into a deltoidal icositetrahedron which is a catalan solid.
Mixup PrismThe concept of the mixup cube applied to a triangular prism.

MoonshineA two-dimensional, deeper-than-origin, shallower-than-corner doctrinaire twisty puzzle. Or two intersecting circles with 2-fold or 5-fold rotation.
More MadnessThe deeper cut cousin of the Meteor Madness. A jumbling-only puzzle.
Mosaic BlockA cuboid, but a corner turning one.

Nested CubeTwo 2x2x2s (both hollow) in one puzzle. One was designed around the other.
Not BandagedA subset of the 5x5x5 that looks bandaged but is still doctrinaire.
Number PlanetA spherical token-swapping puzzle. An implementation of M12, Mathieu 12 group. A puzzle with a theory-heavy approach.

Offset CubeA cubic 2x2x7 with a twist that allows the pieces to be exchanged between the layers.
Offset HexAn offset version of Minimal Hex that makes six triangles disappear.
Offset OctaA puzzle related to Minimal Octa reimplementing Star Trap in a minimalistic way.


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