Choose your skill level and start building defense towers. if you can destroy all of the balloons that appear on the screen, you will unlock stronger defense tools and you might reach the final level. bloons tower defense 4 expansion is provided to you by funland.com and is categorized into our strategy games. this game was played 176,600 times and currently has a rating of 4.56 out of 5.00 after 852 votes. funland.com is the largest source of free online games for all the family. don't forget to come back often since we add at least one new game daily!