If by that you mean confront Dark Bowser with Mario and Luigi, the answer is no. The developers made sure only Bowser could reach and confront Dark Bowser.
You can get Beans, and an SP: Magic Window.
There are only 2 files in Mario and Luigi Bowser's Inside Story.
not really
no
You can only do it with Mario and Luigi. For Mario, press A. For Luigi, press B.
noone
You have to complete the pumpworks level
on the map
you have to hit the shell block.
you should definitely get bowsers inside story. It is tons of fun. I LOVE IT!!!!!!!!!!!
by eating lots of shrooms
Yes he is.