Multi-SkewbYears after the Multi-Dodecahedron the same concept for the corner turning cubes was realized.
Multi-Star Wheel CubeA cube with hybrid axis system. The face turning parts allows for fractional angles of 45°.
NecronomicubeA Pentacle Cube painted customly to resemble the Necronomicon.
No Circle, No SkewbA corner turning hexahedron. Similar to the Super Ivy (QiYi) or Skewby Duo Plus, but with a different outer cut pattern.
O CubeA Skewb in a cage so that only the face pieces have to be solved.
O2 CubeThe slice cube implemented in something that does not look like a puzzle.
O4 CubeA Mixup Cube with all corners bandaged together and hidden in what does not look like a twistypuzzle.
Octosaurus RexThe hexahedron equivalent of a Face-turning Octahedron based on a 'Super Ivy' Rex cube from QiYi
Offset SkewbA Skewb with rectangular centers and four enlarged corners.
Oh CubeA puzzle looking like a 3x3x3 but it is indeed a corner turning hexahedron.