Helicopter + 3x3x3A hybrid puzzle closely related to Dayan Gem II but with some different pieces and with cubic shape.
Heritombo CubeA shallower cut variant of the Helicopter Cube with straight cuts that reveals the edge centers and face centers.
Hyper XA hybrid puzzle which combines the 2x2x2 with a Master Skewb.
Impossible TwistA deeper-than-origin puzzle inspired by the impossible dovetail object.
Jack's CubeA puzzle which combines three different concepts in one puzzle.
Kite StarA 3x3x3 with distorted but regular pieces.
Krystian's CubeA 2x2x2 with a twist that defies all attempts of classifying.