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Donkey Kong and Diddy Kong encountering Acks
Donkey Kong and Diddy Kong encounter an AckStack
First appearance Donkey Kong Country Returns (2010)
Latest appearance Donkey Kong Country Returns 3D (2013)
Variant of Ack

AckStacks[1] are a group consisting of five yellow Acks who stand atop each other like a tower. These enemies appear in Donkey Kong Country Returns and its remake.

If Donkey Kong and Diddy get too close to an AckStack, the Acks lean back and fall with their mouths open. Sometimes, AckStacks take up a large amount of space when collapsing and may knock the Kongs into an abyss. Donkey Kong can dodge an AckStack by jumping back, which causes every Ack to land separately, with their fangs stuck in the floor. These Acks are vulnerable to jump attacks. Unlike normal Acks, the Kongs can defeat them with a single hit. The Kong Roll is ineffective against AckStacks, but the Kongs are not injured from attempting this maneuver.

Names in other languages[edit]

Language Name Meaning
Japanese ジャリーズファイブ[2]
Pluralized version of「アカムクジャリー」(Akamukujarī, Ack) + English word "five"
German Hauf-Beerchen bunch of berries


  1. ^ Knight, Michael. Donkey Kong Country Returns Prima Official Game Guide. Page 26.
  2. ^ 「ドンキーコングリターンズ任天堂公式ガイドブック」 (Donkey Kong Returns Nintendo Kōshiki Guidebook), page 22.