📖 HOW TO PLAY
🎯 Objective: Survive endless waves!
🕹 Controls:
• WASD / Arrows / Joystick to move
• Click/Tap shop to buy towers
• Drag tower onto same-type same-tier to MERGE
• P / ⏸ to pause
🏰 Towers: 🏹 Arrow · 💣 Cannon · ❄ Frost · ⚡ Laser · 🌀 Tesla
💀 Enemies: 14 types including bosses every 5 waves!
💎 Crystals: Earned per run. Buy permanent upgrades!
🎬 Watch Ads: After game over, watch an ad to revive with 50% HP or earn bonus crystals!