Yes, completely free with no signup, no ads between games, and no usage limits.

Does my score leave my device?

No. Your high score is stored only in your browser's localStorage — nothing is sent to any server.

Does it work on mobile?

Yes. Swipe left/right to move, swipe up to rotate, and swipe down to drop faster on iOS and Android.

落ちてくるテトロミノを積み上げてラインを消すクラシックブロックパズル。

スコア

Lines

ベスト

Tetris

← → move · ↑ rotate · ↓ soft drop · Space hard drop

Swipe left/right/up/down on mobile

Use ← → to move pieces left and right; ↑ or swipe up to rotate; ↓ or swipe down to soft drop faster.
Fill a complete horizontal row to clear it — partial rows remain and accumulate. Clear multiple rows at once for bonus points.
The game ends when a new piece cannot fit at the top. Pieces fall faster every 10 lines cleared — how far can you go?

Is it free?: Yes, completely free with no signup, no ads between games, and no usage limits.
Does my score leave my device?: No. Your high score is stored only in your browser's localStorage — nothing is sent to any server.
Does it work on mobile?: Yes. Swipe left/right to move, swipe up to rotate, and swipe down to drop faster on iOS and Android.

Last updated: 2026-05-20 By jarvisbox