Tetra is a puzzle game using tetrominoes. A tetromino is a grouping of four blocks, of which there are only 7 distinct combinations. These tetrominos are thrown into the top of a 10x20 grid one at a time and fall to the bottom of the play area. The purpose of the game is to line up 10 in a row, which makes the row disappear. You get more points per row if you eliminate multiple rows at a time. You also get points for landing a tetromino. For every 10 lines you clear you go to the next level where the tetrominoes fall faster and are worth more points. Try to get as many lines and the highest score that you can.
Modes
Classic - blocks fall down as normal
- UP - blocks fall up
Twist - Each line clear causes your view of the play area to be mirrored horizontally
Controls
UP - rotates the tetromino currently in play
DOWN - moves the piece down
LEFT - moves the piece left
RIGHT - moves the piece right
ESC, R, W, /, ENTER, SPACE - pause the game and hide it
Note: Holding down a key will continue to move the tetronimo in that direction
Note: The keyboard cannot be used to play wow while the game is visible
To show the game type /tetra
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