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Tetris

Score
0
Lines
0
Level
1
Time
00:00
Use arrow keys to move and rotate pieces. Space bar for hard drop, C to hold pieces. Use the control buttons below to play. Tap and drag pieces to move them.

About Tetris

Tetris is the legendary block-stacking puzzle game that became a global phenomenon. Created by Alexey Pajitnov in 1984, this addictive game challenges players to arrange falling geometric shapes called tetrominoes to complete horizontal lines.

How to Play Tetris

Stack falling blocks to create complete horizontal lines, which then disappear to score points.

  1. Use arrow keys to move pieces left, right, or down
  2. Press up arrow or rotation key to rotate pieces
  3. Press spacebar for hard drop (instant placement)
  4. Use C key to hold a piece for later use
  5. Complete horizontal lines to clear them and score points
  6. Game ends when pieces reach the top of the playing field

Game Rules

  • Seven different tetromino shapes: I, O, T, S, Z, J, and L
  • Pieces fall automatically at increasing speeds as levels progress
  • Completed lines disappear, and blocks above fall down
  • Score increases based on lines cleared simultaneously
  • Level increases every 10 lines cleared
  • Game speed increases with each level

Winning Strategies & Tips

Basic Strategy:

  • Build Flat: Keep your stack as level as possible
  • Save Space: Always leave room for the long I-piece
  • Plan Ahead: Look at the next piece preview to plan your moves
  • Use Hold: Save useful pieces for when you need them most

Advanced Techniques:

  • T-Spins: Master T-piece rotations for bonus points
  • Skimming: Clear lines one at a time to maintain control
  • Tetris Wells: Create 4-wide gaps for I-piece placement
  • Downstacking: Deliberately reduce height in dangerous situations

Scoring System

  • Single Line: 100 points × level
  • Double (2 lines): 300 points × level
  • Triple (3 lines): 500 points × level
  • Tetris (4 lines): 800 points × level
  • Soft Drop: 1 point per cell dropped
  • Hard Drop: 2 points per cell dropped

Benefits of Playing Tetris

  • Spatial Reasoning: Improves 3D visualization and mental rotation skills
  • Quick Decision Making: Enhances rapid problem-solving under pressure
  • Pattern Recognition: Develops ability to see shapes and arrangements
  • Hand-Eye Coordination: Improves reaction time and motor skills
  • Stress Relief: Provides engaging distraction and flow state
  • Brain Training: Studies show Tetris may improve cognitive efficiency

Frequently Asked Questions

What are the seven Tetris piece shapes?

The seven tetrominoes are: I (straight line), O (square), T (T-shape), S (zigzag), Z (reverse zigzag), J (reverse L), and L (L-shape). Each is named after the letter it resembles.

What's the highest level in Tetris?

In most versions, Tetris levels can go very high, but the game becomes extremely fast by level 15-20. Some versions have level caps, while others continue indefinitely with maximum speed.

How do I get better at Tetris?

Practice regularly, learn piece patterns, master the hold function, keep your stack low and flat, and focus on setting up Tetrises (4-line clears) for maximum points. Watch expert players to learn advanced techniques.

Can Tetris actually help with stress?

Yes! Studies have shown that playing Tetris can reduce stress, anxiety, and even help with PTSD symptoms. The game's engaging nature creates a "flow state" that can be very relaxing and meditative.

Who created Tetris and when?

Tetris was created by Soviet software engineer Alexey Pajitnov in 1984 while working at the Computer Center of the Russian Academy of Sciences. It became one of the most successful and recognizable video games ever made.