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Tetris

16.9k

Tetris is a globally iconic classic puzzle game. Its core gameplay involves rotating and moving descending tetrominoes to form and clear horizontal lines for points. Centered around seven distinct four-square tetromino shapes, the game is easy to pick up but deeply challenging, catering to both casual players seeking quick, lighthearted fun and hardcore enthusiasts aiming for high scores. It tests players’ reflexes, spatial reasoning, and strategic planning abilities to sustain play as the falling speed increases over time.

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Game Instructions

Tetris

Tetris Game Description

How to Play Tetris

Tetromino & Playfield Mechanics: The seven distinct tetromino shapes spawn randomly at the top of the playfield and lock into place once they land on the bottom boundary or other stacked tetrominoes. A horizontal line is cleared when fully filled; blocks above the cleared line then drop down to fill the gap automatically。
Scoring Rules: Points increase with the number of lines cleared in a single move. A single line clear awards 10 points, with points scaling upward for multi-line clears。
Level & Speed Correlation: Game level advances as lines are cleared, accelerating tetromino fall speed. Players must continuously adapt to the increasing pace to sustain play。
Game Interface: Displays HI-SCORE, total lines cleared, current level, upcoming tetromino preview, and elapsed time。
Game Over Condition: The game ends when a new spawning tetromino cannot be placed within the playfield, i.e., the stack reaches the top boundary of the playfield, resulting in a top-out。

Game Controls

Keyboard Controls: Press W for direct drop, A to move left, D to move right, S for quick drop, and Spacebar to rotate the active tetromino to adjust its orientation.
Mouse Controls: Perform actions directly by clicking the corresponding on-screen function buttons.

Tetris’ core objective is to manipulate descending tetrominoes by moving and rotating them to stack and fill complete horizontal lines for clearing, thereby accumulating points and line clears. As the number of cleared lines increases, the game level rises progressively, accelerating tetromino fall speed and ramping up the challenge. Players must sustain gameplay as long as possible and set new high scores before the playfield becomes fully stacked.

Frequently Asked Questions about Tetris games

Why can't the blocks rotate sometimes?

Rotation is restricted by spatial obstacles such as walls or other blocks. Plan your path in advance.

Does the game speed keep increasing?

Yes. As the level rises, the falling speed of blocks gradually increases.

Can keyboard and mouse controls be used at the same time?

Yes. The two control methods do not interfere with each other. Players can switch flexibly according to personal habits, such as using the keyboard to control movement and the mouse to click for rotation to enhance operational comfort.

Are there any other changes when leveling up besides faster block speed?

No. Leveling up only accelerates the falling speed of blocks. Core game rules, operational logic, and score multiplier calculation method remain unchanged. Players only need to adapt to the faster rhythm.