No. it would be impossible for shadow Mario to be in every Mario game, because some Mario games came out before there was a shadow Mario, or even a luigi.
yes it is impossible to play as shadow in Super Mario 63
With action replay when hell freezes over! when hell freezes over twice and i get to skate on it, then u can play as shadow mario. It is really possible to play as Shadow Mario because my freind told me. It is Super Possible!
You can't play as him WITHOUT an Action Replay for the GameCube. But, with one, and you can.
To play as shadow Mario in Mario superstar baseball you must pitch a perfect game. (not yet proven but is posted on several websites)
no if you can get all this stars then you can play as luigi but not shadow Mario
No,you can not.
No
no in order to play as shadow you have to hack the game there is no possible way to unlock shadow PLUS! shadow wasnt even a thought back when sonic advance was made
Yes its possible to play Super Mario Land on a Gameboy Color.
you don't
all game yes but when you have all the Pokemon is not possible
Only in Mario Golf: Toadstool Tour.