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Sonic News Network
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Turtle bot with a defensive spring.

— Description, Sonic the Hedgehog Encyclo-speed-ia

The Koura[1] (コウーラ[2] Koūra?) is an enemy that appears in Sonic Advance 2. It is a Badnik model created by Dr. Eggman that appears in Hot Crater.



Based off Tortoises, Kouras sport a large Cyan shell, a gray head and body, and four black wheels. The shell is divided into two parts separated by a visible gap. Some Kouras feature jet boosters instead of wheels.


Kouras slowly drive back and forth, but make no active effort to attack the player. If the player lands on their shell, the upper part will rocket upwards, bouncing the them in a similar manner to a spring. Certain Kouras can be found hovering in the air rather than driving on solid ground. Their attack pattern bears no difference from the regular model. Both versions can easily be defeated using any non-jump attack.


  • The Kouras' name is Japanese for "shell".


  1. Flynn, Ian; Sega (8 December 2021). "Sonic Advance 2". Sonic the Hedgehog Encyclo-speed-ia. Dark Horse Books. p. 128. ISBN 978-1506719276. "Koura - Turtle bot with a defensive spring."
  2. (in Japanese) ソニックアドバンス2公式ガイドブック. Aspect. January 2003. p. 18. ISBN 978-4757209480.

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