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Underground is a Advanced Map in Bloons TD 6. It is one of 4 Advanced Maps to be introduced on initial release, and was one of the first 21 original BTD6 maps introduced on initial release.

Overview[]

Underground is designed after a cave mine underground. Bloons moved on 2 interconnected rail in a lightbulb shape cross each other at the same time, making the map have 2 entraces and 2 exits. The map is pretty devious, as the paths are quite short. There are 22 blue crytals (8 to the left without counting the one in the minecart and 14 to the right), 8 purple bats (3 on the left, 5 on the right and all of them hung upward but not on the ceiling. They also fly away for a few seconds if you tap on them), a minecart filled with crytals (6 crytals to be accurate), about 15 or so little pebbles scattered around the cave, a dusty cave floor with many parts of the ground are cracked and big rocks that haven't been mined yet surrounded the barrier of the map, and the railroad.

Rewards[]

Monkey Money Rewards
Btd6monkeymoney Easy[?] Medium[?] Hard[?] Impoppable[?]
First Time $225
MoMonkeyMoneyIcon $247
$337
MoMonkeyMoneyIcon $371
$375
MoMonkeyMoneyIcon $412
$563
MoMonkeyMoneyIcon $618
$600
MoMonkeyMoneyIcon $660
$900
MoMonkeyMoneyIcon $990
$900
MoMonkeyMoneyIcon $990
$1350
MoMonkeyMoneyIcon $1485
Completed $45
MoMonkeyMoneyIcon $49
$67
MoMonkeyMoneyIcon $74
$75
MoMonkeyMoneyIcon $82
$112
MoMonkeyMoneyIcon $123
$120
MoMonkeyMoneyIcon $132
$180
MoMonkeyMoneyIcon $198
$180
MoMonkeyMoneyIcon $198
$270
MoMonkeyMoneyIcon $297

Strategy[]

Main article: Underground/Strategies

Summary[]

TBA

Tips[]

  • TBA

Version History[]

1.0
  • Released
44.0
  • Change Unlock requirement changed from directly unlocking the map with an available Intermediate Map to a flat completion of 12 unique map wins

Sounds[]

When selecting a bat:

Gallery[]

Trivia[]

  • Before Version 17.0 (possibly 17.0?), the soundtrack used Tribes and Tribulations, but since then it uses Sunshine Serenade.

References[]


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