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Move and rotate falling blocks on a 10×20 board. Clear rows, preview the next piece, and play with keyboard or touch controls.
Ready to play
Move with arrows, rotate with Up, and hard drop with Space.
Tetris
Arrange falling tetrominoes, complete full rows, and clear them for points.
Next piece
Overview
Understand what the tool solves, how it works, and the boundaries of its data.
The playfield is 10 columns wide by 20 rows high. Seven shapes, each made from four squares, enter from above. Move and rotate a falling piece to complete a horizontal row; a full row clears and the blocks above move down. A next-piece preview helps you plan a landing, while score, cleared lines, and level summarize the current game.
The level begins at 1 and increases after every 10 cleared lines. The game speeds up its automatic drop as the level rises. The line-clear score is multiplied by the current level: clearing 1, 2, 3, or 4 rows in one placement awards 100, 300, 500, or 800 points per level. A hard drop also adds 2 points per row descended. Piece order is randomized for each new game.
Think of each empty column as room for future shapes. A high stack or a narrow deep gap can leave few legal placements, so check both the current shape and the preview before hard dropping. The preview shows one upcoming shape; there is no hold-and-swap reserve. Rotations that collide with a wall or settled blocks are tested at the current position and up to two columns to either side. If none fits, the piece stays as it was.
Guide
Follow the workflow and verify inputs and outputs with practical examples.
On a touch screen, use the on-screen left, rotate, down, hard-drop, and right buttons. Start begins a fresh board; restart and reset also clear the current score and line count. A hard-dropped piece locks immediately, so choose its column and orientation first.
Suppose a piece falls 10 rows when you hard drop it: that adds 20 points, plus any score for lines cleared when it locks. If the placement clears two rows at level 3, the row clear adds 300 × 3 = 900 points, making 920 points for that move. Ordinary one-row downward movement adds no drop points. The game ends when the next piece cannot enter the board.
Use cases
See how the tool fits into real work and everyday tasks.
Start a round and practice moving, rotating, and placing pieces while keeping the stack low. Pause if you need to step away and resume the current board later in the session.
Choose one habit to practice, such as checking the preview before dropping or avoiding deep gaps. Use the line count and score from the current round to review how the board changed.
Q&A
Find concise answers to common questions and confusing cases.
The rotated shape may overlap the wall or a settled block. The game tries small horizontal adjustments of up to two columns; when no legal position is available, it keeps the original orientation.
No. The preview shows the next piece only. There is no hold-and-swap control.
It adds 2 points for each row the piece travels downward, then locks the piece immediately. Any line-clear score from that placement is added separately.
No. The score and line count describe the current single-player round. Starting over clears them; the page does not provide an online leaderboard or persistent record.
Notes
Review scope, result limitations, and important precautions before use.
This is a single-player falling-block game with its own speed and scoring rules. It does not provide multiplayer, a leaderboard, a hold-piece feature, or an authenticated competition record. Compare scores only as personal results from this page, not as certified results or as scores from another version. Starting a new game resets the current board and score.
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