- Move and rotate each falling tetromino before it lands.
- Complete a horizontal row of ten filled cells to clear it.
- Clearing multiple rows at once awards more points.
- The falling speed increases as your level rises.
- The round ends when a new piece cannot enter the playfield.
Use arrow keys or WASD to move and rotate. Press Space to hard-drop the current piece. On touch screens, swipe to move or rotate, tap either side to move, and swipe down to drop.
Alexey Pajitnov created Tetris in 1984 while working at the Soviet Academy of Sciences. Its name combines “tetra,” referring to four-cell pieces, with “tennis,” one of Pajitnov’s favorite sports. The simple rules and endless variations helped make it one of the most recognizable puzzle games ever made.
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