BTD6 Pedia

Rounds

Round 31

Round 31 in BTD6: 8 Black, 8 White and 10 Zebra Bloons, 406 RBE. The first round of Deflation, with cash and a mixed-damage plan.

Guide

Round 31 is a mixed-immunity round: 8 Black Bloons and 8 White Bloons spawn together, followed by 8 Zebras and then 2 Regrow Zebras. It is also the first round of Deflation mode, which starts here and ends after round 60. With 406 RBE in about 16 seconds, it is the most demanding round of the game so far.

Bloons in round 31

  • 8 × Black Bloon (0.0s–5.1s)
  • 8 × White Bloon (0.3s–5.4s)
  • 8 × Zebra Bloon (6.2s–11.3s)
  • 2 × Regrow Zebra Bloon (14.2s–15.9s)

Total: 26 bloons worth 406 RBE. Popping everything pays $406, plus the $131 end-of-round bonus.

How to beat round 31

Blacks ignore explosions, whites ignore cold and zebras ignore both. Sharp and magic damage handle everything in the round.

  • A Ninja Monkey, Dart Monkey, Tack Shooter or Wizard Monkey covers all three bloon types.
  • If your main damage is a Bomb Shooter, back it up with a sharp tower. The bombs can still help with the pinks that come out of each bloon.
  • The two regrow zebras at the end need focused damage so they do not regrow from black or white.

On Deflation, this is the round where you spend your entire starting budget, so build a complete defence before starting.

Alternate Bloons Rounds

ABR round 31 makes the blacks regrow and the whites camo, and adds an extra zebra and an extra regrow zebra. You need camo detection on a non-cold tower to pop the camo whites.

  • 8 × Regrow Black Bloon (0.0s–5.1s)
  • 8 × Camo White Bloon (0.3s–5.4s)
  • 10 × Zebra Bloon (6.2s–11.3s)
  • 3 × Regrow Zebra Bloon (13.0s–14.7s)

ABR total: 29 bloons, 475 RBE.

Frequently asked questions

What round does Deflation start on?

Deflation starts on round 31 and ends after round 60.

What is in round 31 BTD6?

8 Black, 8 White, 8 Zebra and 2 Regrow Zebra Bloons, 406 RBE.

Previous: Round 30 · Next: Round 32