That's called "the Tetris effect" [0]. It was later used as the title for a game in the series. [0] https://en.wikipedia.org/wiki/Tetris_effect https://en.wiki

That's called "the Tetris effect" [0]. It was later used as the title for a game in the series. [0] https://en.wikipedia.org/wiki/Tetris_effect https://en.wikipedia.org/wiki/Tetris_effect