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 axis.
Corner of InfinityA three circle puzzle centered on the corner of a hexagonally tiled infinite plane.
Crazy 1x2x3 IIA crazy 1x2x3 with circles on the 1x3 sides. One circle is moving, the other is fixed.
Crazy EdgeA hybrid of face and edge turning cube that does not jumble.