How to Play:
• Use ARROW KEYS or A/D to move left/right
• Press SPACE to shoot (or hold 🚀 for rapid fire)
• Collect power-ups: ⚡Spread Shot, 🛡️Shield, 🔥Piercing, 💥Rapid Fire
• Destroy all aliens to advance • Boss battles every 5 waves!
• Build combos for score multipliers • Use barriers as cover
• Don't let aliens reach the bottom!