How do you beat super paper Mario?

Answer 1

First you have to get the black pure heart then put it in the black heart pillar.Then you go to flopside and find a black door. You go inside.This is count Bleck's castle. At the end of the chapter you will fight count bleck and destroy the void.The game ends here.

Answer 2

well it all depends on what you mean but at the end of the game you beat the final boss......but I'm not gonna give the end of the game away unless you ask ;)