俄罗斯方块 百科 - EAS
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Tetris - Wikipedia
https://en.wikipedia.org/wiki/TetrisWebThe pieces on which the game of Tetris is based around are called "tetrominoes". Pajitnov's original version for the Electronika 60 computer used green brackets to represent the blocks that make up tetrominoes. Versions of Tetris on the original Game Boy/Game Boy Color and on most dedicated handheld games use black-and-white or grayscale graphics, but …