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Iron Gate

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Sonic Adventure 2
Iron Gate

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Iron Gate
Appearances and overview
First appearance

Sonic Adventure 2

Other appearances

Sonic Adventure 2: Battle


HQ on Prison Island

Stage theme(s)

Industrial theme

Next stage

Dry Lagoon

Playable characters
(story mode)

Dr. Eggman

Level number


Number of acts



G.U.N. enemies

Boss fight

Hot Shot

Iron Gate is the first stage of the Dark Story in Sonic Adventure 2. It is exclusive to Dr. Eggman.



Concept artwork of Iron Gate

When Eggman blows into the HQ on Prison Island, the security systems try to block him off by closing all the metal security doors, which must be destroyed in order to pass through. The goal is to destroy the G.U.N. robots and penetrate the entire base. Throughout the level, the security system will alert enemies to Eggman's presence by announcing the level he is on. The security of the level gets tougher depending on the security level Dr. Eggman is on.

The level ends when Dr. Eggman finally succeeds in penetrating the base and finds his grandfather's project code named Project Shadow.

Stage layout

The layout of Iron Gate is basically the same process with new twists when a new room is entered. Most of the time, the player must try to shoot locks off doors or destroy enemies while on moving platforms. Iron Gate gives the player an impression of what future levels are like.

The Iron Gate looks similar to Tails' Prison Lane level, since the two stages take place in different areas of Prison Island.

Level Up Item

Eggman's Laser Blaster is located here, but cannot be reached until the player get the Large Blaster Level Up Item from the level Weapons Bed.


Sonic Adventure 2 Battle Music - Iron Gate02:21

Sonic Adventure 2 Battle Music - Iron Gate

Sonic Adventure 2 - Iron Gate02:29

Sonic Adventure 2 - Iron Gate


Sonic Adventure 2 Iron Gate 1080 HD02:09

Sonic Adventure 2 Iron Gate 1080 HD

Sonic Adventure 2 Iron Gate Mission 5 - Hard Mode - A Rank02:22

Sonic Adventure 2 Iron Gate Mission 5 - Hard Mode - A Rank

Sonic Adventure 2

Main article | Gallery | Early/Beta Versions | Re-releases (Battle | 2012)

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