Sonic Adventure 4: Black Arms Rising/Stages & Bosses

This is the page focusing on the Adventure Fields, Action Stages, and Bosses.

Adventure Fields

There are a number of 8 Adventure Fields in the game, making this game to have the most adventure fields in the Adventure series.

Central City

The large metropolitan city that is home of the United Nations. Now it is under attack by the Black Arms.

Emerald Town

A small suburban town far away from Central City.

Mystic Ruins

A large jungle area that is the home of the ancient echidna temple and Angel Island.

Blue Ridge Zone

A dense mountainous area surrounding in snowy mountains and forests.

G.U.N. Headquarters

This is the base of operations of G.U.N. The features of this field contains the main computer room, the training facility, a factory of GUN robots, an area of aircrafts.

Egg Metropolis

Eggman's large dystopian-like headquarters located at a far away island.

Space Colony ARK

This adventure field appears for the first time since Sonic Adventure 2: Project Shadow. It is a large spherical space station where Shadow was created 50 years ago. 

Black Comet

This adventure field consists of a large comet where Black Doom and his minions came from.

Action Stages

There are a total of 30 action stages. Note that some stages will contain acts (usually 2). Some of the levels from Shadow the Hedgehog will be retained though some has some name changes. Only a few levels are omitted and new and original levels are added.

Westopolis

Like the original, it is the first stage of the game. Westopolis is one of the districts in Central City that was attacked at the start of the story.

Lethal Interstate

This stage is found in the interstate highway areas of Central City. It is just like the originally named Lethal Highway stage only that it adds a few elements from Radical Highway with the red bridges.

Boulevard Turmoil

Formerly Central City from the original. This stage is found in the street areas of Central City. It is similar to Westopolis except it takes place during the daylight.

Crazy Terminal

This stage is found in the subways of Central City. This is pretty much reminiscent of Subway Rush in the third Adventure series.

Emerald Beach

This stage is found in the beach area of Emerald Town, mirroring Emerald Coast from the first Adventure title and Palmtree Shores from the previous Adventure title.

Street Massacre

This stage is found in the neighborhood areas of Emerald Town which is under attack by the Black Arms.

Nuclear Chaos

This stage consists of a huge nuclear plant far from Emerald Town.

Jungle Retreat

This is found in the jungle areas of the Mystic Ruins.

Lost Ruins

Formerly called Death Ruins from the original. However, unlike the original, this consists of the ancient echidna civilization in the Mystic Ruins.

Waterfall Garden

This stage consists of a large garden located at the Angel Island section from the Mystic Ruins. It shares a lot of similarities from Marble Garden and Dry Lagoon.

Paradise Invasion

This stage is found in the Angel Island section of the Mystic Ruins. It consists of a large ancient palace which leads to the Master Emerald shrine.

Glyphic Canyon

Like the original, this stage consists of a desert area surrounded in ruins. It is found in the desert area of Blue Ridge Zone.

Cold Tundras

This stage is found in the snowy mountaintops of Blue Ridge Zone.

Cryptic Castle

This stage consists of a haunted castle located far away from Blue Ridge Zone. A small difference is that the blue ghosts from the original game will be replaced with the boos from Sonic Adventure 2 as they don't serve as enemies in the games, but as mere annoyances.

Sky Troops

This stage is actually Glyphic Canyon which is now floating on the air due to the Black Arms activating its orbs. It is found in Blue Ridge Zone.

Digital Circuit

This stage consists of G.U.N.'s database found in G.U.N. Headquarters.

Prison Island

Found in the G.U.N. headquarters is Prison Island which was one of GUN's base of operation. It is under repairs after Eggman's previous attack in Sonic Adventure 2.

G.U.N. Fleet

Formerly Air Fleet from the original. This stage consists of G.U.N.'s flying fortress which is found in the airfield of G.U.N. Headquarters.

Underground Refuge

Formerly GUN Fortress from the original. This stage consists of an underground base located under G.U.N.'s Headquarters.

Mad Matrix

This stage is found in Egg Metropolis and is the database of Dr. Eggman.

Old Megaopolis

This stage makes its return from the previous title Sonic Adventure 3: Enerjak Reborn. Only this time, it takes place in a war zone.

Iron Wilderness

Formerly Iron Jungle. This stage consists of a mechanical facility found in the forest area of Egg Metropolis.

Egg Squadron

This stage consists of Eggman's herd of airships.

Magma Shelter

Formerly Lava Shelter. This stage consists of a valley away from Egg Metropolis, surrounded in lava. It is Dr. Eggman's main hideout.

Space Gadget

This stage found in the outer section of Space Colony ARK. As far as the elements of this stage goes, it is practically Final Rush, Final Chase, Crazy Gadget, and Cosmic Wall rolled up into one. There are many rails for characters to grind on, there are gravity switches similar to Crazy Gadget, and there are areas full of low gravity where characters can jump higher.

Lost Impact

This stage is found inside the Space Colony ARK. Just like the original version, it consists of an area full of multiple pathways.

ARK Complex

This is the third database level of the game. Only this time, it is found inside the Space Colony ARK. It is the source of the ARK's lost files from 50 years ago.

Cosmic Intrusion

This stage consists of an area of asteroids where the Black Comet is far ahead. What is different about this stage is that you are controlling the spaceship-turned Tornado piloted by Tails.

Toxic Oasis

Originally named Black Comet from the original. It is mostly filled with a lot of Black Arms soldiers, especially the black leeches. Toxic gas are a constant obstacle in the level where the characters must avoid.

Final Haunt

The final level of the main story. It is found in the Black Comet. Not a toxic area, but it is now a place full of ships and other weapons.

Bosses

The bosses are divided into three categories - Eggman Empire, Black Arms, and G.U.N.

Last Story Stages

There are only three last story stages in Chapter 11. Each contain only one long act.

Onyx Chase

Formerly known as The Last Way from the original game. It's practically similar to Final Haunt, with the only difference is that it is difficult.

Colony Core

This stage is found in the interior section of the Space Colony ARK. This is practically reminiscent to Cannon's Core from the second Adventure game.

Earth's Doom

This stage is found in Central City which is now covered in dark red clouds and is polluted with Black Doom's paralysis gas. This is actually a boss fight in that Sonic and Shadow in their super forms battle against Devil Doom.

Last Story Bosses

Black Doom and Shadow

As Sonic, you are battling against Black Doom and Shadow who has been brainwashed by Black Doom. The only way to beat this boss fight is by only defeating Black Doom.