Chimera Rex CubeRex Cube in the shape of a Chimera solid: half a cube and half an octahedron glued together.
Circle Rex CubeA shape transformed variant of the Raptor Cube which is itelf a Rex cube plus corners of the Compy Cube.
CoreA Rex Cube in shape of three intersecting cylinders.
Edgeless Super IvyA striaghtforward shape transformation of the Super Ivy. The designer simply removed the edge pieces.
EvergreenA share transformed Rex Cube with a tilted axis system and stickers in several shades of green.
HexashiftA Rex Cube in the shape of a Hexagonal Prism.
Imperious RexA Rex Cube customly painted based on the Marvel character named Sub Mariner.
No Circle, No SkewbA corner turning hexahedron. Similar to the Super Ivy (QiYi) or Skewby Duo Plus, but with a different outer cut pattern.
Nucleus TwistThree capsule like shapes fused perpendicular to each other.
Praxis CubeAn "axised" Rex Cube which was presented before the original puzzle.