🎮 CrashDown

CrashDown is a colorful grid-based puzzle game built with vanilla JavaScript, HTML, and CSS. Click on matching adjacent blocks to clear them, earn points, and survive as new rows crash down from the top.

---

🚀 Features

• ✅ Dynamic 10x10 interactive grid
• 🎨 Four colored block types (red, green, blue, yellow)
• 🧠 Chain-matching logic using flood fill
• ⏱️ Live timer and score tracker
• 🔊 Sound effects and background music toggle (press M)
• 🏆 Leaderboard stored in localStorage (top 5 scores)
• 📈 Next incoming row preview
• 📉 Gravity and auto-centering of remaining blocks

---

🧩 Gameplay

1. Objective: Match and remove adjacent blocks of the same color (minimum of 2).
2. Turns: You get 3 clicks. Then a new row appears from the bottom.
3. Game Over: When the grid is completely filled.
4. Scoring: Each block removed increases your score by 1.
5. Music Toggle: Press M to start or pause the background music.

---

🛠️ Setup & Usage

🔧 Requirements

• A modern browser (Chrome, Firefox, Edge, Safari)
• No external dependencies

▶️ Running the Game

1. Clone or download this repository.
2. Open index.html in your browser.
3. Enter your name to start playing.