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. :)
Bowser's Galaxy Generator
When you complete the bowser level after you get 50 stars and you have to complete the bowser level twice to get him
To get her as a file icon, you need to get 120 stars and clear the level in Bowser's Galaxy Generator. To get her on Starship Mario, you need to get all 240 stars.
There is no game called Super Mario 63. There is one called Super Mario 64. On the final level of it you have to fight and defeat Bowser.
in the last level
To the final Bowser level, Bowser in the Sky.
Beat bowser, and huge bowser on the last level.
You have to defeat Bowser with Minny Mario on the last level of world 5.
You have to beat the Bowser in the Fire Sea level
Level 2
WARNING: SPOILERS FOR THOSE WHO HAVE NOT PLAYED THE GAME Rosalina is at the end of Super Mario Galaxy 2. Bowser is using her Comet observatory to become more powerful. After you defeat Bowser, she appears in the observatory and thanks you. I am not certain, but I believe she then resides on your space station. NB: after completing a final separate level without taking damage, Rosalina's house is revealed and she again thanks you.
Rosalina will tell you.
# Defeat Bowser with Mario(This unlocks Purple Comets for Mario) # Collect all 120 Power Stars with Mario # Defeat Bowser again with Mario(This unlocks Luigi) # Defeat Bowser with Luigi(This unlocks Purple Comets for Luigi) # Collect all 120 Power Stars with Luigi # Defeat Bowser again with Luigi(This unlocks the last level for both bros.) # Complete the last level with both bros. for 100% Completion!