Machine gun damage increased from 35 to 60, bullet speed from 1.0 to 1.2, and spread reduced from 0.05 to 0.03 for better accuracy.

**Next Ideas:**
1. **Explosive Rounds** - Add a special ammo type that deals area damage to groups of zombies
2. **Slow-Motion Mode** - Add a bullet-time mechanic when killing multiple zombies rapidly

**Ready to level up your game? Pick one and let's build it!**