Rounds
Round 125
Round 125 in BTD6: 21 ZOMGs, 42 BFBs and 63 MOABs. Health ramping jumps to 15% per round. RBE, cash and how to beat it.
Guide
Round 125 sends 21 ZOMGs, 42 BFBs and 63 MOABs in many small waves over 40 seconds. The ZOMGs come first (0 to 25 seconds), BFBs overlap from 5 to 30 seconds and MOABs finish the round.
This is also where blimp health ramping speeds up from 5% to 15% per round, so blimps here have ×2.75 health: about 11,000 for a ZOMG. RBE is 939,624 and the round pays about $8,647 from pops plus a $225 bonus.
Bloons in round 125
- 21 × ZOMG (0–25 s)
- 42 × BFB (5–30 s)
- 63 × MOAB (15–40 s)
How to beat round 125
From here on, freeplay is a race between your damage and the health ramp.
- Heavy single-target damage on Strong for the ZOMG waves, ideally from late-game Paragons, Sun Temple or True Sun God and The Anti-Bloon.
- Area blimp damage for the BFBs and MOABs.
- Stack buffs (Jungle Drums, MIB, Berserker Brew, Overclock or Ultraboost) on your main damage dealers.
Alternate Bloons Rounds
The Alternate Bloons Rounds round 125 makes every blimp Fortified and swaps ZOMGs for Fortified DDTs: 63 Fortified DDTs, 66 Fortified BFBs and 81 Fortified MOABs, for 981,096 RBE.
- 63 × DDT (Fortified)
- 66 × BFB (Fortified)
- 81 × MOAB (Fortified)
Frequently asked questions
What is in round 125 BTD6?
21 ZOMGs, 42 BFBs and 63 MOABs over about 40 seconds.
What changes on round 125 in BTD6?
Blimp health starts ramping by 15% per round instead of 5%.

