Dreadnought Galaxy

The Dreadnought Galaxy is a galaxy in Super Mario Galaxy.

Topman Tribe Speed Run (Speedy Comet in Orbit)
This mission is only accessible, unless already completed, if a Speedy Comet is in orbit.

Battlestation's Purple Coins (Purple Comet in Orbit)
This mission is a Purple Coin mission. It is only accessible, unless already completed, if a Purple Comet is in orbit.