411 REFERENCE · Wikibooks
Sonic the Hedgehog 3/Hydrocity Zone
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
right|200px|Intro screen to Hydrocity Zone Act 1
The inner workings of a complex hydroelectric dam. After tangling with a mini-boss that can spin Sonic and Tails in a whirlpool, Dr. Robotnik tries to stop them with his own whirlpool inducer as well as depth charges.
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