Domino SquareA Square-1 twisted into a pattern and afterwards reshaped into a cuboid.
EastA 3x3x3 truncated on two sides and placed in midturn.
Elements IThere are different shapes to be made to find all the solutions. It is a 2x2x2 with several cubies glued on.
Elements IIA 2x2x4 tower cube from Seven Towns with extentions.
Enigma CubeThe Enigma Cube is a bumped cubic version of Dan Fast's center-shifted 4x4x5
Extra Split 2x3x3A Domino with the rectangular sides that allow turns in steps of 60°.
Fish CubePieces of a rhombiminx used to create a 2x2x2 with four additional layers.