It's Tetris as we all remember it. Drop different shaped blocks into the container, and fit them together to form a horizontal line, and the line disappears. Your job is to keep going as long as possible by clearing the container of blocks.
This will be the first time on a Game Boy System that 4 players can play multiplayer Tetris, which is much the same as the original Tetris, only that when you clear a line of blocks, the line(s) appear in another players screen.
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