Respuesta :
This helped because the Game Boy was already well-known and widely used by people; therefore, it was easy to make people by the game itself if they already owned the Game Boy.
Being included with Nintendo's Game Boy helped Tetris become successful because it boosted the number of Tetris sold.
In the passage, we are told that Tetris came with all of Nintendo's Game Boy.
This must have contributed to the success of Tetris because the attachment of Tetris to Nintendo's Game Boy will account for the large number of Tetris sold.
So, this union boosted the sales of Tetris.
Learn more about Tetris here:
https://brainly.com/question/16401262