🎯 Objective

Stack falling blocks to fill complete horizontal lines. Filled lines disappear and score you points. Game over when blocks reach the top!

🕹️ Controls

• ← → Arrow keys / buttons — move left or right
• ↑ Arrow / Rotate button — rotate piece
• ↓ Arrow — soft drop (move down faster)
• Space / ▼▼ — hard drop (instantly slam down)
• Swipe left/right on mobile — move piece
• Swipe down — hard drop
• Tap — rotate

⭐ Scoring

• 1 line = 100 pts × level
• 2 lines = 300 pts × level
• 3 lines = 500 pts × level
• 4 lines (Tetris!) = 800 pts × level
• Hard drop bonus = 2 pts per row dropped

📊 Difficulty Levels

Beginner — Very slow start Easy — Slow start Medium — Normal speed Hard — Fast from level 1 Very Hard — Faster + narrow board Scientist — Extreme speed Cyborg ☠ — Instant drop only

💡 Tips

• Keep the board flat — tall spikes kill you
• Always plan 2 pieces ahead using the preview
• A Tetris (4 lines at once) is worth nearly 3× more than 4 singles