WitEden Cubic 3x3x7Another cubic 3x3x7. all edges are split up. A puzzle out of a series of cubes that behave like a bandaged 9x9x9.
WonderZA bandaged version of the WonderZ
World Skewb (228 mm)A giant skewb (fourfold edge length of the original skewb) with stickers customized after the pattern of Hexa World.
X-Box CubeA contour cut variant of the previous Circle-X Cube and Lucky Clover Cube.
XOteric 2x2x2Looks like a Circle 2x2x2 but is a 2x2x2 with the Triwalls as additional piece types.
Y CubeThe reduced version of the iX Cube. A hybrid of a 2x2x2 with a reduced set of possible corner turns.
Zock CubeA cubical 2x2x3 which solved position is a midturn state. This one was made before the 2x2x3 was mass produced.
Zygmunt's CubeA hybrid puzzle combining a 2x2x2 with an edge turning layer of additional pieces.