Elemental:ScandiumAn Elemental:Fluorine enhanced but splitting the plunger and thereby adding twelve triangles.
Elemental:SulfurAn Elemental:Neon enhanced but splitting the plunger and thereby adding six triangles.
EliacTwo intersecting circles similar to the Lotica.
Farmland GearA puzzle with intersecting circles. Compared with similar circles this puzzle has additional gears inside the big square-like pieces. Privately produced in small quantity in four variants.
Flip-SideTen tiles, one rotatable plane and two additional plungers.
Four by four Alternative versions of Tsukuda square with a several animals instead of coloured or numbered pieces.