Add Space Invaders

[samoletovs]

New game: Space Invaders

• 5×11 alien grid, 3 types (30 / 20 / 10 pts), pixel-art sprites that animate
• March sound speeds up as aliens die (classic feel)
• 4 bunkers that degrade when shot
• UFO flies across the top for bonus points (50–300)
• Drag to move, tap to shoot — or toggle auto-fire with 🔫 button
• Waves: each wave starts faster
• Lives + score in header, best saved to localStorage

---

Generated by Claude Code