Giga bowser is not unlockable in Super Mario Galaxy. That character does not even exist in Super Mario Galaxy.
Bowser is not a playable character.
No, neither are unlockable.
Yes and no. There is a new Super Mario Galaxy coming out called Super Mario Galaxy 2, but it is not called Bowser returns
Bowser and bowser jr.
After you complete world 5 you will unlock a secret world,world 6.The last galaxy in that world is a surprise I won't tell. :)
Birdo is not unlockable in Super Mario Galaxy.
You cannot unlock Yoshi in Super Mario Galaxy; he is not in the game. Yoshi will, however, be unlockable in the upcoming sequel, Super Mario Galaxy 2.
super Mario galaxy-you must collect a certain amount of stars to unlock some galaxies. there will be domes collect a grand star after defeating bowser or jr. in each dome to advance to the next dome. the last dome will be the final battle with bowser if you collect unoff stars for his final galaxy.once you defeat bowser you beat the game. super Mario galaxy 2-you must collect some stars to advance the Mario faceship further until you get to the bowser or jr.'s castle.In world three the final galaxy is the final battle with bowser.
yeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeessssssss??? what are you trying to ask????
bowser
Get all 120 stars, then beat him again. You will unlock Luigi. If you already have, then you've beaten the game.
The games have no relation.