Achievements (Game Center)

Achievements are provided to the iOS versions of Bloons TD 4, Bloons TD 5, and Bloons TD Battles Mobile by a service called Game Center.

Bloons TD 4
There are a total of 17 achievements in Bloons TD 4 Mobile. The achievements award the player with 0, 50, or 100 points, depending on the difficulty of the achievement (with the 1 secret achievement giving 0 points).