A modern browser-based implementation of the classic Tetris game built using JavaScript, HTML, and CSS.
This project demonstrates strong fundamentals in game development, grid-based logic, collision detection, and real-time rendering using native browser APIs.
This Tetris implementation recreates the iconic tile-matching gameplay experience with smooth controls, structured game logic, and modular code design.
Players control falling tetrominoes, strategically placing them to complete horizontal lines. Completed lines disappear, score increases, and the game progressively becomes more challenging.
- 🎮 Classic Tetris mechanics
- ⬅️ ➡️ Smooth horizontal movement
- 🔄 Tetromino rotation system
- ⬇️ Soft drop functionality
- 🧱 Collision detection system
- 🧮 Line clearing algorithm
- ⚡ Real-time game loop rendering
- 🧩 Grid-based board management
| Key | Action |
|---|---|
| ⬅️ Arrow | Move Left |
| ➡️ Arrow | Move Right |
| ⬇️ Arrow | Soft Drop |
| ⬆️ Arrow | Rotate |
| Spacebar | Hard Drop (if implemented) |
- JavaScript (ES6+) – Game logic & mechanics
- HTML5 – Structure
- CSS3 – Styling
- Canvas / DOM APIs – Rendering & updates
TetrisGame/ │── index.html # Entry point │── tetris.js # Core game logic │── styles.css # Styling (if included) │── assets/ # Images or rotation visuals
- Clone the repository:
git clone https://github.com/shivrajcodez/TetrisGame.git
Open the project folder.
Double click on index.html or use Live Server for better experience.
No external dependencies required.
💡 Engineering Highlights
This project demonstrates:
Structured state management
Efficient 2D array/grid manipulation
Real-time rendering loop
Clean separation of game logic and UI
Scalable architecture for adding new features
📈 Possible Enhancements
🏆 Score tracking & high score storage (localStorage)
👀 Next piece preview
🔁 Hold piece functionality
🔊 Sound effects & animations
📱 Mobile touch support
🌐 Deployment via GitHub Pages
🎯 Why This Project Stands Out
Unlike basic static projects, this implementation handles:
Continuous game state updates
Dynamic collision detection
Algorithmic line clearing logic
Interactive real-time user input
It reflects strong fundamentals in JavaScript and frontend game architecture — valuable for frontend and full-stack roles.
🤝 Contributing
Pull requests are welcome. If you'd like to improve gameplay mechanics or optimize performance, feel free to fork and enhance.
📄 License
MIT License — feel free to use, modify, and distribute.