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The Power Stomp Challenge is the first Challenge Act of Crisis City Act 2 in the console/PC version of Sonic Generations. It is unlocked after clearing every Stage in the modern era and is playable only as Modern Sonic.


This stage is a test for Power Stomp ability. The act is filled with rotating iron balls, Balloons, lava pits, Iblis's Minions, and Four-way Cannons. During the Act, the player must use the Power Stomp to destroy Iblis' minions, and use the Balloons and Four-way Cannons to complete the Act. The Slide is also useful to pass the iron balls. Once this Challenge Act is completed, the "Power Stomp" will become available in the Skill Shop.


The Act begins inside one of the buildings with the rising lava platforms that must be stomped upon in order to progress. After navigating through the maze-like room, the player will need to bounce on Balloons and jump through narrow openings while avoiding iron balls scattered around the final section of the stage. The Goal Ring can be found just ahead, guarded by three Iblis Biters.

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