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Harmless hunk that pushes you back with plumes of steam.

— Description, Sonic the Hedgehog Encyclo-speed-ia

The Shisaku-gata Dump[1] (試作型ダンプ[2] Shisaku-gata danpu?, lit. "Prototype Model Dump") is an enemy that appears in the Sonic the Hedgehog series. It is a mass-produced, pirate-based Badnik serving Dr. Eggman and Eggman Nega.


The Shisaku-gata Dump model is a short and stocky, silver-colored humanoid robot who has a blue ring around its "belly". Its eyes are yellow and it carries a black steam gun with two steam tanks attached to its back.


In Sonic Rush Adventure, the Shisaku-gata Dumps appear as enemies. They are encountered in Machine Labyrinth and Hidden Island 10.

In gameplay, Shisaku-gata Dumps attack by shooting a stream of steam at the playable character, which pushes them away but inflicts no damage. They are likewise easily destroyed with any offensive move in the player's arsenal.

Powers and abilities

The Shisaku-gata Dumps are equipped with steam cannons that they can use to blow opponents away.


  1. Flynn, Ian; Sega (8 December 2021). "Sonic Rush Adventure". Sonic the Hedgehog Encyclo-speed-ia. Dark Horse Books. p. 187. ISBN 978-1506719276.
  2. (in Japanese) ソニックラッシュアドベンチャー最強攻略ガイド. Shogakukan. December 2007. p. 205. ISBN 4091063969.

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