The Toy Time Galaxy is a galaxy in Super Mario Galaxy. It can be found in the Comet Observatory's Engine Room. The music of the Toy Time Galaxy is a remix of the overworld theme from the original Super Mario Bros.. Mario can only access this galaxy if he has 40 Power Stars in his possession, including the Grand Stars from Bowser Jr.'s Robot Reactor, Bowser's Star Reactor, Bowser Jr.'s Airship Armada, and Bowser's Dark Matter Plant.
Heavy Metal Mecha Bowser
Mario (or Luigi) Meets Mario
Mario needs to get passed the Toy Time Galaxy, and needs to pass the Screw Planet by collecting the 5 Star Chips and proceeding to the 8-Bit Planet with lave, green shrinking squares and flipping yellow squares and Mario needs to collect 5 Silver Stars and will earn a Power Star and will complete the mission. The 8-Bit planet is usually Mario from Super Mario Bros. and behind it is Luigi where you need to collect 150 Purple Coins, but you can collect 100 Coins just to pass. To unlock it, a Purple Comet will appear and this mission will appear. It appears to be difficult, because you also have limited time to finish this mission.
Bouncing Down Cake Lane
Mario must make his way to the end of Cake Lane and destroy the Undergrunt Gunner. This Undergrunt Gunner uses electricity in his moveset, including putting up a shield.
The Flipswitch Chain
Mario has to feed a Hungry Luma 50 star bits. After his meal, the Luma will become the Chain Planet.
Luigi's Purple Coins
This mission is only accessible, unless already completed, when there is a Purple Comet in orbit. The player has to get 100 Purple Coins in an 8-bit Luigi in a time limit of 3 minutes.
Fast Foes of Toy Time
This mission is only accessible, unless already completed, when there is a Fast Foe Comet in orbit.
Planets and Areas
This ring-shaped planet has a toy track, two stations (Mario lands on the "southern" one) and a Launch Star whose location and destination change depending on the mission. In the third mission, the train goes in the opposite direction.
This planet is made out of gears and many colorful block that resembles a train engine. This planet also features pink walls with various gravity levels. This planet contains two 1-up Mushrooms.
This planet is made out of blocks and conveyor belts and also features the Spring Mushroom.
This planet is made out of a big plate, with a glass with a Launch Star, a fork, and a spoon.
Big Mecha Bowser
This area features a big toy robot made to resemble Bowser on a conveyor belt. It also has green surfaces for Mario to walk on. In order to defeat this robot, Mario must destroy all the breakable bricks on its head.
This planet features metal and wood parts with a huge screw sticking through it. In order to continue, Mario must collect 5 Star Chips.
8-bit Mario/Luigi Planet
This is a planet being like Mario, in the oldest games form. Its opposite counterpart is Luigi, in the same conditions (the oldest games). The red clothes are lava, while his "skin" is a moving platforms. For Luigi, it's all about poison, but the moving platforms are here too. This side of the planet is accessible only when playing the Purple Comet mission.
Dessert Area #1
Dessert Area #2
Frozen Dessert Area
This round planet has a pipe that goes to a secret planet whose interior Mario can walk around on. There are five candles whose glow keeps a Launch Star locked away.
Undergrunt Gunner's Cake Planet
This planet has an Undergrunt Gunner.