Grandmaster Galaxy
- “Mario...so you were the one who collected all of the scattered stars...I want to thank you...your deeds will live on in the memory of the cosmos...”
- —Rosalina, Super Mario Galaxy 2
Grandmaster Galaxy is the final galaxy that appears in Super Mario Galaxy 2. It is located in World S. This galaxy is unlocked when the player gets all 240 Stars, like with the Grand Finale Galaxy in the first game. It is an obstacle course with puzzles and enemies. This galaxy contains two Stars: one for completing the level and another one for doing it again under Daredevil Comet conditions. In the latter case, the player gets the Star from Rosalina. Unlike the rest of the galaxies, Green Stars don't appear here. This is primarily because the player had to collect all the green stars to unlock the galaxy.
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Enemies
- Paragoombas
- Choppahs
- Mines
- Bullet Bills
- Mobile and stationary Sentry Beams
- Octopuses
- Hammer Bros.
- Boomerang Bros.
- Floating Plates
Missions
The Ultimate Test
This mission is unlocked once the player gets a total of 240 Stars. The player must complete all the various tasks mentioned above. There are checkpoint flags at the beginning of the Electric Maze Area, the Platform Planets, and the Pull Star Area. Throughout the mission, the player can also speak with the Toad Brigade members. This mission, along with the Daredevil Run, is the only time the leader is seen sleeping. Yellow Toad is also asleep, and if the player speaks to him, he will say Star Bits, giving the player a hint on how to unlock the final mission.
- Enemies
- Paragoombas
- Mines
- Bullet Bills
- Mobile and stationary Sentry Beams
- Octopuses
- Hammer Bros.
- Boomerang Bros.
- Kurunbas
- Planets Visited
- Starting Planet
- Flipswitch Planet
- Electric Maze Area
- Platform Planets
- Pull Star Area
- Hammer Bro. Planets
- Names in Other Languages
The Perfect Run
The Prankster Comet for this galaxy is unlocked when the player finds this galaxy's Comet Medal and deposits 9,999 Star Bits to Banktoad.
The player must redo the The Ultimate Test mission, but under Daredevil Comet conditions. There are no Checkpoint Flags whatsoever, the Paragoombas of the first planet are now replaced with Choppahs, and there are considerably more mines than before.
If Mario avoids all the obstacles, he'll run into Rosalina, who will thank the player and award him with the final Power Star.
Music from the original Super Mario Galaxy is played as well. The music that is played in order is Gusty Garden Galaxy, Good Egg Galaxy, Bowser's Galaxy Reactor, and Comet Observatory.
- Enemies
- Choppahs
- Mines
- Bullet Bills
- Mobile and stationary Sentry Beams
- Octopi
- Paragoombas
- Hammer Bros.
- Boomerang Bros.
- Planets Visited
- Starting Planet
- Flipswitch Planet
- Electric Maze Area
- Platform Planets
- Pull Star Area
- Hammer Bro. Planets
- The Gate Planet
- Names in Other Languages
Names in Other Languages
Trivia
- This is the only galaxy in Super Mario Galaxy 2 which doesn't have any Green Stars.
- This is the only galaxy in Super Mario Galaxy 2 that requires the player to collect Star Bits in addition to collecting the Comet Medal for a Prankster Comet to appear.
- If the player looks back in first person mode at the starting point of the Pull Star Area, the Launch Star from the previous area can be seen above the Gate planet in the Daredevil Run.
- Oddly enough, the three figures from Shiverburn are found here.
