2x2x2 DominoA 2x3x3 modified to look like a 2x2x2. It allows 90¬į-moves only on one of the axes, like the original puzzle it was made from.
Alek.SoSimplicity rules! This is probably the simplest but still working mechanism for a 2x2x2: Eight unconnected pieces in a cage.
Alternating CubeA 2x2x2 which allows only clockwise and counterclockwise turn alternatingly.
Asterix 2x2x2A 2x2x2 depicting comic characters from the french series "Asterix".
Bandaged 2x2x2A mass produced bandaged 2x2x2. The bandaging makes it equivalent to the Siamese 2x2x2
Batman Mini-CubeA 2x2x2 cube featuring characters as seen in the cartoon: Batman, The Animated Series.