Bloons Wiki
Advertisement
Bloons Wiki
Experimental Upgrade BTD4M

Icon

Fully upgrade 1 tower.
~ Locked description
You fully upgraded 1 tower.
~ Completed description

Experimental Upgrade is a Game Center Achievement in iOS versions of Bloons TD 4 Mobile. To earn this achievement, the player upgrading a tower to its final upgrade, the tier 4. This achievement is worth 50 points on Game Center.

Tips[]

  • The earliest possible rank this achievement can be earned is Rank 17, which unlocks the MOAB Mauler.


Advertisement