Lolo's octahedronA 2x2x2 with an additional layer on each side. It behaves like a subset of a 4x4x4.
Master DogicDesigned after the Dogic but with different cutting depths.
MastrolabacusA bigger version of Astrolabacus with five grooves. Maybe the first puzzle with moving marbles that jumbles.
Multi-SkewbYears after the Multi-Dodecahedron the same concept for the corner-turning cubes was realised.
NonaphobicAn 9x9x9 Mastermorphix. An 9x9x9 transformed into the shape of a Reuleaux tetrahedron.
OctanovaA skewb octahedron with a 10-piece-circle at every edge.
OrganolabacusAn extremely big variant of Astrolabacus with eighteen segments but with six channels of beads.
PakovalecPuzzle from the Czech Republic. Alternative names are Zylla and Xylinder and Dutch Tube.