Chroma StarA Kilominx in shape of a Rhombic hexecontahedron.
Circus CubeA very colourful sticker variation to the "One plane truncated cube".
Clover bandageA clover Cube with one half of the possible turns bandaged in a single block.
Clover Cube PlusPlusA modification of the Clover Cube in which the inventor split up the wing pieces.
Coin CubeA very simple hybrid puzzle but interestingly not the simplest.
CollideThree circles with 90°-turns but in different sizes.
Collider CubeA face turning tetrakis hexahedron in the shape of a cube.
Copter TowerA 3x3x3 with curvy cuts, fishered and elongated on one axes.
Corner of InfinityA three circle puzzle centered on the corner of a hexagonally tiled infinite plane.