The Blue Bloon is the second Bloon that the player of BTDX encounters, a little bit faster than Red Bloon.
Rounds Appearances[]
Normal Difficulty[]
- Round 3: 12 Blues, 12 Reds
- Round 4: 12 Blues, 40 Reds
- Round 5: 10 Greens, 20 Blues, 10 Reds
- Round 6: 4 Greens, 16 Blues, 8 Oranges, 16 Reds
- Round 9: 4 Yellows, 12 Greens, 40 Blues
- Round 10: 2 Cyans, 60 Blues
- Round 12: 12 Shielded Blues, 12 Yellows, 8 Pinks
- Round 19: 5 Blacks, 5 Whites, 32 Shielded Blues
- Round 21: 15 Reds, 15 Blues, 15 Greens, 15 Yellows, 8 Blacks, 8 Whites
Impoppable Difficulty[]
- Round 3: 25 Blues
- Round 5: 24 Blues, 20 Greens
- Round 7: 40 Blues, 12 Greens
- Round 9: 20 Yellows, 30 Tattered Blues
- Round 10: 72 Blues, 16 Cyans
- Round 20: 15 Purples, 13 Zebras, 15 Static Blues, 20 Static Reds
Nightmare Difficulty[]
- Round 2: 33 Blues
- Round 3: 24 Tattered Blues, 24 Tattered Reds
- Round 7: 10 Cyans, 15 Yellows, 30 Shielded Blues