Play Bloons Tower Defense 1 online at cool math math games, which is an adventure game. BTD 1 is the first game of this amazing games series of Balloons Tower Defense. Nobody knew that how famous this game will be but after the release of this game, it became very famous. There are tracks on which balloons are walking. One is the entry way of these balloons and other is the exit way. Now, your aim is to stop them before they reach the exit point. See the bar on the right-hand side and play wisely to unlock different tools. After you blast each balloon in BTD1 you will get the score. and Later you can use this score to buy updates. Play BTD 5 online too.
How to Play: Use your mouse to play Bloons TD 1 . Click on any tool to select if you have already buy and click at the play where you want to place it.