Clematis CubeA hybrid puzzle which combines edge turns with corner turns that allow 60° turns.
Clover 2x2x2A Triakis Tetrahedron with cuts inspired by the clover puzzles. Unlike other clover-puzzles the axis system is doctrinaire.
Clover Chop ExtremeA puzzle with hybrid axis system which available turns are reduced to those available on one side with the edge turns doubled.
Clover Cube 3x3x3A face turning cube (aka 3x3x3) with spherical cuts that go so deep that the face pieces vanish.
Clover Triakis tetrahedronA Triakis Tetrahedron with cuts inspired by the clover puzzles. Unlike other clover-puzzles the axis system is doctrinaire.
CodexA skewb in the shape of a cuboctahedron with a custom painting with 24 faces.
Coin TransformerA rhombic dodecahedron with four sets of cuts that combine the Coin TRD, the Coin Rhombic Dodecahedron and the Rhomdo Transformer.
Coin TRDThe simplest possible face and corner turning Trapezo-Rhombic Dodecahedron.