Boing is the 9th level of Bloons.


To complete this level, all you have to do is pop the bloons near the monkey. To pop the bloons on the bottom, hitting the fourth rubber block from the top is one way of popping them and beating this level.


  • It consists of two groups of bloons of differing proportions divided by eight Metal Blocks and a column of rubber blocks on the right side.
  • The level requires large use of the newly introduced block, which explains the derivation of the level name.
  • This level features the Rubber Block for the first time.
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