Me personally? It has to be Galaxy 2 it's simply just a more refined experience.
#SUPER MARIO GALAXY ROM PART 2 ARCHIVE#
This configures how many stars are in a level, what type of star, and what type of comet, and how much time you get for the level.(Found only in the files that have the last part 'Galaxy' in it.) 3- Design This archive mostly holds lighting stuff.