Grey CubeThis standard-sized cube is made from grey plastic instead of black and has pastel coloured stickers.
Gyro CubeA knockoff from the 1980s produced in Korea.
Halfturn subgroup bandaged CubesThis is a set of eighteen bandaged cubes. All variants do not behave like a bandaged cube but implement an easy definable subgroup of the 3x3x3 which contains at least one restriction to halfturns.
HandiCubeThis is just a 3x3x3 but a 3x3x3 specifically designed for solving one-handed.
Handlebar CubeA 3x3x3 with three of non adjacent pieces connected by a bar.
Hedgehog CubeA new design (with magnets) for a puzzle first invented in 1985
Hextant CubeCustom 3x3x3 sticker pattern designed by Mark Longridge. It's pretty challenging with it's 108 triangles
Hinged Gift CubeA variant of Oskar van Deventer's original Gift Cube with hinges.
Hinged Treasure ChestA mass produced Treasure Chest with four pieces replaced. The result resembles the Hinged Gift Cube without being identical.
Hole Punch CubeA single hole has been punched out of the center of each sticker.