The videogame Tetris was named as such due to its creator, Alexey Pajitnov, amalgamating the Ancient Greek prefix “tetra” which means “4”, a direct reference to the various block shapes of Tetris which always have 4 cubes, and the term “tennis” as this was Pajitnov’s favorite sport. The shapes are referred to as “tetrominoes” and consist of an S-shape, Z-shape, T-shape, L-shape, line-shape, 7-shape, and a square-shape