Use only Mouse to play.
Play Bloons Tower Defense 3 free on Mills Eagles web. You will play the role as a safeguard. Your mission is clearly and ultimate. You have to protect your defense at all costs. You can choose one of the four unlocked tracks to start the game. Use the stuff you bought in the shop to place along the twisty path. The balloons will reach the path in lines. And you need to get ready to fight and pop all of them. Upgrade or sell to have new weapons. Pick monkeys and win the unblocked Bloons Tower Defense 3.