C-10A cylindric prism with 4 pieces on each face. Unlike Squar-1 it does not behave bandaged.
C-18A five-layered variant of the C-10 puzzle. This is a cylindric Square-0.5 puzzle. Unlike C-10 it has five layers and does not behave bandaged.
CheeseAnthony Greenhill's 2-layered Cheese created from a UFO mechanism.
Crazy Yileng Ghost BarrelA MoYU Crazy Fisher turned into a Ghost Cube and then turned into a Barrel. All pieces have a mirrored version that’s it’s exactly the inverse.
Cylinder 3x3x3A hexagonal prism 3x3x3 truncated down into cylindrical shape.
Cylinder-1A Square-1 truncated into cylindrical shape.
Dino CylinderA Dino Cube in cylindral shape with bright black plastic and very reduced stickers.