Rounds
Round 109
Round 109 in BTD6: 15 ZOMGs, 30 BFBs and 30 Fortified MOABs all at once with 15 Purples. RBE, cash and how to beat it.
Guide
Round 109 sends six groups at the same time over 18 seconds: 15 ZOMGs, 15 BFBs, 15 Fortified BFBs, 30 Fortified MOABs and 15 Purples. Because they all start together, every blimp size is on the track at once.
At ×1.85 ramping, ZOMGs have about 7,400 health, Fortified BFBs about 2,590 and Fortified MOABs about 740. RBE is 552,345 and the round pays about $7,439 from pops plus a $209 bonus.
Bloons in round 109
- 15 × ZOMG (0–18 s)
- 15 × Purple Bloon (0–18 s)
- 15 × BFB (0–18 s)
- 30 × MOAB (Fortified) (0–18 s)
- 15 × BFB (Fortified) (0–18 s)
How to beat round 109
Use both kinds of blimp damage at full strength.
- Single-target towers on Strong targeting keep pressure on the ZOMGs.
- Area blimp damage (MOAB SHREDR, Rocket Storm, M.A.D, Inferno Ring, Glaive Lord or the Glaive Dominus paragon) handles the BFBs and Fortified MOABs.
- Stack slowing effects so the mixed stream does not reach your exit before the ZOMGs are down.
Alternate Bloons Rounds
In Alternate Bloons Rounds round 109 adds 15 more ZOMGs and 15 DDTs, for 833,580 RBE.
- 30 × ZOMG
- 15 × Purple Bloon
- 15 × BFB (Fortified)
- 15 × DDT
- 15 × MOAB (Fortified)
Frequently asked questions
What is in round 109 BTD6?
15 ZOMGs, 15 BFBs, 15 Fortified BFBs, 30 Fortified MOABs and 15 Purples, all spawning together over 18 seconds.

