Doppelkeil SkewbAn Ultimate Skewb with 4 sides "deleted".
Aka Extended Ultimate Skewb F8001006000C00000201040200801F
DrakenA four times truncated pyraminx.
Drum CubeA shape variant of a 3x3x3 anywhere between a rhombohedron and a hexagonal prism.
Gear TetraminxA Gear Pyraminx truncated into a shape resembling a archimedean solid.
GyrobifastigiumA puzzle specifically designed to explore the realm of the rarely used Johnson solids. The puzzle's name is also the name of the puzzle's shape.
Jumble TrapThe non-pillowed version of the face-turning tetragonal trapezohedron. A jumbling-only puzzle.
KristallThe Tetraminx produced in Riga during the soviet era.
Kristals-MA tetraminx with russian origin with a special spiky shape.