MASTERY v2.0?! | HARDEST Mode in BTD 6 EVER!

This MASTERY 2.0 mod is an insane game mode which turns the game into a crazy difficult challenge. Normally Chimps and Boss MOABs are some kd the hardest game modes but Mastery is another difficult game mode from BTD 5 but it was never added to BTD 6. This Bloons TD 6 challenge game mode mod adds another insane level to thr mastery game mode. If hou want to to see more challenges in bloons let me know down below.
#BTD6 #BloonsTD6 #Mod
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