you cant do it you gust cant
You have to beat all of the levels and then you get extra levels when you beat it.
To completely beat the game, you have to unlock and beat all levels, get all the star coins in the levels, and beat Bowser's castle. Then, go to world 9 and beat all levels, including 9-9. To get 9-9, you have to get all star coins in the previous world 9 levels.
Beat all the levels!
You beat all the levels.
by finishing all the levels
you beat all of the levels in the game
to beat all of the levels
by playing all levels succesfully.
there isn't a code
finish all the stages and levels
beat all the levels
Beat the one before it...