🏙 BUILD YOUR OWN SKYSCRAPER 💰 BUY MORE MONEY MACHINES AND COMPUTERS TO GAIN MORE MONEY 🏣 OPEN NEW FLOORS IN YOUR BUILDING 🔫 UNLOCK NEW WEAPONS 🧟 ELIMINATE ZOMBIES 🚗 DRIVE CARS 🚁 FLY ON HELICOPTER 🔫 TRY TURRETS ON THE ROOF