Deep Dark Galaxy

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Deep Dark Galaxy
A screenshot of Deep Dark Galaxy during "The Underground Ghost Ship" mission from Super Mario Galaxy.
Screenshot of Deep Dark Galaxy during "The Underground Ghost Ship".
Area Garden
How to unlock Get 46 stars and complete Bowser Jr.'s Lava Reactor.
Boss(es) Kamella
Undergrunt Gunner
Comet(s) Daredevil Comet
Purple Comet
Mission(s) The Underground Ghost Ship
Bubble Blastoff
Guppy and the Underground Lake
Ghost Ship Daredevil Run
Plunder the Purple Coins
Boo in a Box
Stars Power Star icon from Super Mario Galaxy.Power Star icon from Super Mario Galaxy.Power Star icon from Super Mario Galaxy.Smg icon daredevilcomet.pngSmg icon purplecomet.pngPower Star icon from Super Mario Galaxy.
Galaxy icon The Ghost Ship Cave Planet, the Teresa Room Planet, and two floating Boos

Deep Dark Galaxy is a galaxy in Super Mario Galaxy. It is accessible from the Garden and is a ghost-themed beach galaxy, similar to the Bigmouth Galaxy and the Bonefin Galaxy. Its large rocky main planet includes a beach and an underwater cave that leads to a ghost ship. There are only a few other small planets aside from this one. Guppy makes his second appearance here.


Ghost Ship Cave Planet[edit]

Mario flying to the Deep Dark Galaxy
The Ghost Ship Cave Planet.

The Ghost Ship Cave Planet[1] is the main planet of the galaxy and serves as the starting planet. It has a small beach with a few Crabbers (one of which will give a 1-Up Mushroom when defeated), one Tracks and, in the water, a chest with a 1-Up Mushroom. The Toad Brigade is found here and have installed a cannon, two lawn chairs and an umbrella. In the mission Bubble Blastoff, the cannon is blocked by a bubble-shooting Undergrunt Gunner, which must be defeated in order to access it. Other features include several palm trees and a few coconuts. Past the gate with the torches, there is a cave leading to a lake that has many large moving blocks situated around it. The lake takes up much of the planet and is very deep. At the bottom there is a wrecked ship and two rocks shaped like stars. There is a variety of sea life in the lake, including Bloopers, a Gringill, Jammyfish, Urchins, Mikey Mines and a Jam-o'-War. There is a passageway in the lake that surfaces into a cave, where there is a ghost ship inhabited by several Boos. Kamella is fought on this ship twice. In The Underground Ghost Ship, the sky above the planet is orange, in Bubble Blastoff, it is blue, and in Guppy and the Underground Lake, it is clear.

Beach Planet.png
Mario lands on the beach area.
The tower in the Deep Dark Galaxy
The fortress on the planet.
The ghost ship in the Deep Dark Galaxy
The Ghost Ship cavern.
The ship lake in the Deep Dark Galaxy
The lake of the Ghost Ship Cave Planet.

Relay Planet E[edit]

Rainbow Mario about to defeat a lot of Octoguys
Rainbow Mario running around the Relay Planet E.

Relay Planet E[2] is a small planet with many Octoguys. It has a Sling Star on the top and a Fire Flower on the bottom. There is a Rainbow Star floating in front of the planet that Mario can use to defeat the Octoguys.

Scale Down Relay Planet[edit]

Mario standing on the Scale Down Relay Planet.

The Scale Down Relay Planet[3] looks almost identical to the main planet in the Gateway Galaxy but on a much smaller scale, complete with the clouds in the background disappearing so that it looks identical to Gateway's. It also has three Goombas on it. In addition, there is a gold screw in the ground where the castle would normally be. When Mario spins this screw, the air inside the planet will start to leak out and the planet will shrink as a result. As it gradually gets smaller and smaller, a large ring of coins encircling the planet will be revealed. It will continue to shrink until it disappears with a small puff of smoke, after which Mario falls back to the Relay Planet E. This planet can only be accessed by shooting Mario out of a cannon at it from the starting planet.

A glutch where you can view inside the planet of the little blue house of Deep Dark Galaxy.
Mario seeing the transparent floor inside the blue house (camera mode)

Due to a glitch, the player can enter the house with the blue roof. To do so, the player should crouch and enter the door of the house (achieved by holding down Nunchuk Z Button and walking into the doorway). Mario/Luigi should now be inside the house. Using first-person mode, the player can see the basic virtual design of the house as well as the coins that are hidden inside the planet. The house's walls are not visible from the inside due to back-face culling, so to leave the house, Mario/Luigi simply has to walk out.

Pukupuku Gambol Planet[edit]

Mario standing on the Pukupuku Gambol Planet.

Pukupuku Gambol Planet[4] is a tiny planet with some Cheep Cheeps bouncing around it. It has a grass and water area with wooden plugs. Mario must pound the plugs to activate a Water Shooter, which launches him to the Marble Planet.

Marble Planet[edit]

Mario about to Ground Pound the three tennis balls inside the Marble Planet.

The Marble Planet[5] is a big glass planet with three tennis balls and a watermelon inside it. There is also a nut-type Ball Beamer here that sends shockwaves around the planet. Mario must avoid the shockwaves and Ground Pound the tennis balls into the watermelon to get the Power Star.

Teresa Room Planet[edit]

The Teresa Room Planet as viewed from the outside.
Mario avoiding a Ground Urchin inside the Teresa Room Planet.

The Teresa Room Planet[6] is a large purple box-shaped planet with golden tubes coming out of its sides. It is located behind the main planet. Mario enters this planet by launching through an opening on the bottom. Inside, there is a Gravity Arrow on the wall opposite to the camera; this arrow rotates 90 degrees clockwise when spun, causing the gravity to change. There is also a Ground Urchin and a Boo containing a Power Star here. The ceiling is covered with water so that it rains inside the box. Mario must defeat the Boo to get its star, which can be done by destroying the crystal on the right wall of the room and luring it into the beam of light. This is the area for Deep Dark Galaxy's secret Power Star.

This planet actually has two different models. When viewed from somewhere else, it is darker and is also spinning. However, when Mario is actually being launched toward the planet, it looks brighter and is stationary.



Level Image Summary
The Underground Ghost Ship The Underground Ghost Ship 2.png This mission's objective is to navigate a ghost ship and defeat Kamella.
Bubble Blastoff Bubble Blastoff 1.png This mission's objective is to use Water Shooters to travel to the Marble Planet and expand a large watermelon.
Guppy and the Underground Lake Guppy and the Underground Lake 2.png This mission's objective is to chase after Guppy.
Ghost Ship Daredevil Run Ghost Ship Daredevil Run 2.png This mission's objective is to defeat Kamella once more, this time under Daredevil Comet conditions.
Plunder the Purple Coins Plunder the Purple Coins 1.png This mission's objective is to collect 100 Purple Coins on and around the underground ghost ship. There is no time limit.
Boo in a Box Boo in a Box 2.png This mission's objective is to defeat a Boo in a hidden planet.


Names in other languages[edit]

Language Name Meaning
Japanese ダンジョンケイブギャラクシー
Danjon Keibu Gyarakushī
Dungeon Cave Galaxy
Chinese 迷宫洞窟银河
Mígōng dòngkū yínhé
Labyrinth Cave Galaxy
French Grotte du donjon Dungeon's cave
German Höhlenverlies-Galaxie Cave Dungeon Galaxy
Italian Galassia Grotta Sotterranea Underground Cave Galaxy
Korean 던전 케이브 갤럭시
Deonjeon Keibeu Galleoksi
Dungeon Cave Galaxy
Spanish (NOA) Galaxia de la Gruta Calabozo Dungeon Grotto Galaxy
Spanish (NOE) Galaxia Gruta Calabozo Prison Grotto Galaxy


The out of bounds Launch Star in Deep Dark Galaxy
The out of bounds Launch Star
  • There is an inaccessible small box planet high above the galaxy (viewable from other planets, and from the main planet in the third mission). Hacking reveals that this is actually the underground room, accessible via a warp pipe at the top of the main planet. This appears in any galaxy which includes an underground bonus room, though they are typically hidden in areas that cannot be seen in normal gameplay. Another exception is in the Good Egg Galaxy, while a spherical planet of the same kind is visible in the distance in the Toy Time Galaxy.
  • For unknown reasons, there is a Launch Star high above the galaxy. It is only possible to get to the Launch Star by hacking, and it will only shoot Mario or Luigi out into space with nothing to land on. This will make them fall to their death. When the level reloads, they will start out in space and fall forever.[7]
  • Mario/Luigi can reach the Underground Ghost Ship directly by firing the cannon above the rocks. It is also possible in Mission 2. If Mario/Luigi reaches the area in Mission 2, they will be permanently trapped there (unless the player pauses and chooses to return to the Comet Observatory), as Kamella will not appear. Even if Mario/Luigi dies there, he will still re-spawn in the ghost ship area.[8]


  1. ^ File name of the object (Partition 0/ObjectData/GhostShipCavePlanet.arc)
  2. ^ File name of the object (Partition 0/ObjectData/RelayPlanetE.arc)
  3. ^ File name of the object (Partition 0/ObjectData/ScaleDownRelayPlanet.arc)
  4. ^ File name of the object (Partition 0/ObjectData/PukupukuGambolPlanet.arc)
  5. ^ File name of the object (Partition 0/ObjectData/MarblePlanet.arc)
  6. ^ File name of the object (Partition 0/ObjectData/TeresaRoomPlanet.arc)
  7. ^ SwankyBox. (November 16, 2019). The Launch Star That Grants a Fate Worse Than Death in Super Mario Galaxy. YouTube. Retrieved November 16, 2019.
  8. ^ Apple. (October 21, 2020). Super Mario Galaxy - Deep Dark Galaxy 111 Coins High Score. YouTube. Retrieved November 16, 2019.