The Sky Arena is the 13th and unlockable arena in Hamsterball Rodent Rumble mode. The pole is the only obstacle in the arena, and it contains a FunBall as the only enemy in the arena.
It contains several pole spots in the area, making every opponent trapped or prevent from other opponents fighting. The background isn't a sky. The background is color Cyan, not the sky used in the race. It still may look like a race, but no ends. If you're wondering why, take a look of a photo beside the text. It is how the arena looks like.
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