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Mad Gear Zone is the fourth and penultimate Zone of Sonic the Hedgehog 4: Episode I. As Dr. Eggman's headquarters, Mad Gear is a deadly, mechanical factory surrounded by steam-pouring pipes, cogs and gears.
Mad Gear Zone is featured as the first Act in Sonic the Hedgehog 4: Episode Metal where Metal Sonic travels to from his damaged state back at Little Planet and is ultimately rebooted to full form with Dr. Eggman's factory operations.
Acts[]
Act 1 - Dr. Eggman's Secret Base[]
Sonic soon discovers that the base is not so peaceful. Taking in all his past experiences he blasts forward in the lion's den. Running through, Sonic finds that steaming pipes can give him a boost if he needs it or lift him into an untimely spike death. This is coupled with the fact that old enemies return to give him more trouble. At last, they do not slow him down as he whips through the Zone finishing the first descent. Based on Maisie[1], Lily[2], Doug[3]
Act 2 - Escape The Cog Trap[]
Sonic finds that sneaking in is harder than it looks as he finds himself jumping, hopping, and running on and off cogs, bolts, and gears throughout the base. Sonic will have to balance on gears to get to the next part of the base.
Act 3 - Impending Doom[]
In this sector of the city, security is tighter and extreme cautionary actions are taken by shutting down the exits ahead. The lights go dark and alarms from the glowing red lights go off. Sonic will have to navigate the tricky passageways quickly or he'll find himself shredded by a giant wall full of eager saws.
Boss - Defeat the Real Eggman[]
Sonic finally meets up with Eggman as he floats down with yet another previous invention; this time around, Sonic can hit the pods, which causes them to deploy a balloon duplicate of Robotnik's self, but when Sonic tries to attack the balloon, he gets hurt; a direct contrast to the original after losing all his pods. Eggman will then flee, but Sonic quickly runs after him in this second phase as he throws small fast and blue ones, and very large yellow ones. After taking a few hits, he will be defeated.
Episode Metal Act 1 - Metal Sonic Returns![]
| Sonic the Hedgehog 4: Episode Metal Episode Metal Act 1 |
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Flying straight from Little Planet after being reactivated, Metal Sonic arrives in a sorry state at Mad Gear Zone, discovering that Dr. Eggman was waiting for him. Eggman beckons Metal into his machine, powered by the entire facility, which then repairs and enhances Sonic's robotic double, thus revealing the purpose behind the mechanical city's creation. Reborn, Metal Sonic takes off to locate Sonic and destroy him.
The Act is a reworked version of "Act 1 - Dr. Eggman's Secret Base" from Episode I, bearing an altered level design, a higher number of enemies and more obstacles.
Trivia[]
- This Zone is based on Metropolis Zone from Sonic the Hedgehog 2, with some ideas taken from Scrap Brain Zone from the game Sonic the Hedgehog (1991).
- Mad Gear Zone was leaked with a video of Act 2, revealing a playable Super Sonic in the game.
- In Act 3, there are alarm sound effects; these are not heard in the mobile versions.
- According to the Sonic the Hedgehog 4: Episode II website, Dr. Eggman constructed the Mad Gear Zone with the purpose of empowering Metal Sonic to successfully retrieve the Mysterious Orb located in Lost Labyrinth Zone, as depicted in Sonic the Hedgehog 4: Episode Metal.
Music[]
| Name | Artist(s) | Length | Music track |
|---|---|---|---|
| Mad Gear Zone Act 1 | Jun Senoue | 1:32 | |
| Mad Gear Zone Act 2 | Jun Senoue | 1:32 | |
| Mad Gear Zone Act 3 | Jun Senoue | 1:26 |
