Whoops is an Advanced Powercard in Bloons Card Storm. It removes all ammo from a target Monkey. It requires a target in order to play it, and can target a Monkey on either side. It can target a Monkey that has no ammo, but it consumes the card without doing anything.
Most players will use all their Ammo from their Monkeys to defend against rushes, but a player using Whoops can interrupt Monkeys that haven't used their ammo yet. For its cost, it's niche but effective if the opponent insists on keeping spare ammo on Monkeys that rely on keeping their ammo full.
Whoops can be used to disarm an enemy Defender so more damage can get to the opponent. It can also be used to deplete any Temporary Monkey, especially Corvus Academy of Arts and Robo Monkey; the target will be removed once the owner ends the following turn.
Whoops is practically useless against non-Defenders with 1 delay, because they'll regain ammo on the next turn anyway, unlike Stunned which blocks for a full turn. However, it works well against a Monkey with 2 or more delay.
If the opponent is trying to use your Defender to activate a Bloon with an On Popped effect, and you can't spread out all of your Defender's damage such that it doesn't pop that Bloon before emptying all of their Ammo, you can use Whoops on that Defender to prevent them from popping that Bloon.
Description changed
Whoops is now exclusive to Obyn and Mountain Obyn (undocumented) (bug)
No longer exclusive to Obyn and Mountain Obyn (bug fix)
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Whoops in-game
A Dart Monkey affected by Whoops
