Blockout

Blockout is a puzzle game developed by California Dreams. It is the three-dimensional version of Tetris whose pieces are pentacubi. There are numerous conversions for video games for home consoles. Ports for iOS and Windows Phone have also been built.

Blockout-like game titles are Welltris (made by Aleksej Leonidovič Pažitnov), Geom Cube (PlayStation, 1995) and 3D Tetris (Virtual Boy, 1996). An original video game clone, BlockOut II, was released under the GNU General Public License.