What are the controls?

Desktop: arrow keys move and rotate (Z counter-rotates), Arrow Down soft-drops, Space hard-drops, C holds, P pauses. Mobile: swipe left/right to move, swipe down to hard drop, swipe up to hold, tap the board to rotate — plus a full button pad.

What is the ghost piece?

A translucent outline showing exactly where the current piece will land if you hard drop now. You can toggle it off above the board.

How does the auto-save work?

After every locked piece the board, hold piece, next queue and score are written to your browser's local storage. Reopen the page and Resume continues the exact run; a finished game clears the save.

How is scoring calculated?

One line scores 100 times your level, two score 300, three 500 and a four-line Tetris 800. Soft drop adds one point per cell and hard drop two. Every ten lines raise the level, which multiplies future clears and speeds up gravity.

What does the 7-bag mean?

Pieces are dealt in shuffled groups of all seven shapes, so pieces feel fair: you never wait eight pieces for an I. The dealing is deterministic per run and tested in the engine.

Tetris

Stack, clear lines and chase your best score — the board auto-saves to this browser.

Progress saves to this browser only — no account, no server.

Score

Best

Last

Lines 0

Level 1

Hold

Tetris

Clear lines before the stack reaches the top.

Arrows / WASD to move and rotate, Space for hard drop, C holds, P pauses. The board saves after every piece — close the tab and resume later.

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