The first Act of Mad Gear Zone is later visited by Metal Sonic as the first Act of Sonic the Hedgehog 4: Episode Metal. Sections which don't have the wall feature platforms that Sonic will roll down which the player must tilt to influence Sonic's direction.Įpisode Metal Act 1 - Metal Sonic Returns! Said sections are also filled with giant slow-moving pistons that will crush Sonic or close off the way forward, leaving Sonic to be crushed by the death wall if he doesn't make it past in time. The speed at which the wall chases Sonic is relative to his distance from it the farther away he is, the faster it will chase him. The third Act is darker with wailing sirens and is much more treacherous, as Sonic is being chased by a giant death wall that chases him throughout specific sections of the Act with the intention of crushing him. The second Act introduces rotating cogs that serve as obstacles much like they did in Metropolis Zone, as well as rolling cogs that Sonic can run on to cross gaps or to open timed doors. The most common obstacles found in this deadly factory include high-pressure steam pipes that can propel him to different paths or into spiky danger, pistons that can crush the blue blur, and transport pipes that take him to different parts of the Zone. Much like the Zone it is based on, Mad Gear Zone features many of the same obstacles that the maniacal genius has in store for Sonic, and even includes the Asteron, Shellcracker, and Slicer Badniks from the same stage. 1.2 Episode Metal Act 1 - Metal Sonic Returns!.

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