Heptagonal Prism 3x3x3A 3x3x3 in shape of the namegiving solid. None of the seven rectangular sides have an identical pattern.
HeptaminxA megaminx in shape of a pentagonal prism. Showing pentagrams on the top and bottom sides.
HexcubeA 2x3x3 reoriented in a strange way inside the shape of a cube.
Icosa-4A 4x4x4 in shape of an icosahedron.
Impossible TwistA deeper-than-origin puzzle inspired by the impossible dovetail object.
Incognito CubeThis puzzle pretends to be a 4x5x5 but turns on an off centre axis.
Incomprehensible CubeA physical implementation of (UD', L, Ls, Fs). A 3x3x3 with a coupled pair of edges and two opposing sides coupled.
Jumble DiamondA unique, near-jumbling-only twisty puzzle with a previously non-specified geometry.
Jumble PebbleA jumbling only puzzle with a strange yet unnamed geometry. It resembles the jumble rock.
Jumble RockA jumbling puzzle built around an unusual, currently unnamed shape.