BTD5 is finally on New Grounds! The game has heaps of new features including all of your favourite towers from BTD4 with 8 awesome upgrades each instead of 4, and two brand new never before seen tower types. So much new awesomeness: tower upgrades with cool Super Activated Abilities, new Bloon types, loads of fun new tracks with moving parts and tunnels, powerful Special Agent towers, Daily Rewards, Special Missions, and Daily Challenges - a fun new challenge to play each and every day! Updates are coming all the time, and your progress is tracked for ranks, upgrades, and achievements when you log in using our new NK login system. Have fun!