Template:DidYouKnow


 * Bowser Jr.'s Lava Reactor is the only optional boss galaxy, as the player can get the 60 Power Stars required without this galaxy's Grand Star.
 * In Super Mario Galaxy, if the player collides with Cosmic Mario or Cosmic Luigi during a race with one of them, Star Bits will come out of him and scatter.
 * In Super Smash Bros. Melee, Master Hand is considered genderless, based on his trophy. However, in his trophy in Super Smash Bros. Brawl, it does refer to him as a male.