In this 4 release of Bloons Tower Defense there are a lot of new upgrades and a new cool graphics.. New COOL TOWERS.. and TONS and TONS of upgrades for these Towers.. In Bloons Tower Defense 4 you will find some new options.. like Save games, playing in Career mode, Sandbox mode and even Apocalypse mode.. Bloons Tower Defense 4 will blow up your mind with greatness.. In this version of Tower Defense you can use Mochimedia Coins.. with the Mochimedia Coins you can buy a new cool boosters and upgrades like double damage or double cash.. or even more and more cool stuff.. 🙂 Good luck!