Tetromino
A tetromino, sometimes called tetramino or tetrimino, is a four-squared polyomino. The seven tetrominoes are I, O, T, S, Z, J, and L.
I
Other names include straight, stick, and long. This is the only tetromino that can clear four lines outside of cascade games.
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O
Other names include square and block.
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T
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S
Other names include inverse skew and right snake.
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Z
Other names include skew and left snake.
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J
Other names include gamma, inverse L, or left gun.
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L
Other names include right gun.
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See also
External links
- Mathworld
- Wikipedia:Tetromino
- The Tetris Taxonomy: The Pieces (Adult audience)