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Who is playing?

Records you set are kept under this name. It is not an account: no password, no email, nothing else about you — just the label on a record. Leave it empty to play as Anonymous.

2–20 characters: letters, numbers, spaces and . _ - '

TetrominoPuzzle, Arcade

Tetromino

The falling-block puzzle, cut in stone.

Hall of records

Tetromino

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Game menu

All games

The game’s own pause and menu rules apply. Opening this panel alone does not stop its clock.

Settings

Applies across the arcade. Browsers may slow games in background tabs. Turning this off does not change a game’s ranking rules.

About Tetromino

Turn and drop seven falling shapes into a ten-column shaft. Complete a row to clear it, use the preview to plan ahead and hold a piece for later.

How to play

Goal
Fill whole rows to clear them before the shaft fills.
How it ends
Marathon ends when a stone has no room to arrive; Sprint when forty rows are cleared; Ultra after two minutes.
Record
The ten best runs in each mode: highest score, or fastest time in Sprint.
  1. Fill a row across the shaft and it settles and goes; four at once is a seal, and pays the most.
  2. Keep a stone back in the hold slot for the gap you are saving, and read the five shapes waiting.
  3. The run ends when a stone has nowhere left to arrive. Every finished run is offered to the Ten — unless you paused it.
Worked example for Tetromino
Worked example. See how the rules apply to a real position.

Controls

InputAction
Drag on the shaftSlide the stone under your thumb
TapTurn it
Flick down / swipe upDrop it / put it in hold
Arrow keysMove and soft drop
X / Z / ATurn, turn back, half turn
SpaceHard drop
Shift or CHold
EscPause — which gives up the run's place
R · RestartStart the run again

Good to know

The ten best runs in each mode are kept, and each one keeps its replay. A paused run keeps out of them. Settings are saved in this browser.

Watch how to play

The rules, then Ultra, two minutes played start to finish. Played by an automated player at a person's pace; the narration is a synthetic voice. English captions.

Did you know?

Alexey Pajitnov created Tetris in 1984 on an Electronika 60 computer. The falling-block idea became a classic long before it reached modern phones and browsers.

Source: Tetris: official history

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