The final boss on Super Mario Advanced 2 is a giant goomba that is diffucult to defeat, but it isn't impossible. So, here is how you defeat him. You have to use your butt slam ability 3 tomes in a row, but it takes 4 shots to kill him. So, on the final shot you need walk away from the boss so you can exit the gate. Once that's done, Luigi will be waiting outside the gate, and once he spots you, he'll follow you back through the gate so he can help you battle. While Luigi helps you, to kill the boss, you and Luigi need to use your butt slam abilities at the exact same time so then the boss will die.
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There is no game called Super Mario 63. There is one called Super Mario 64. On the final level of it you have to fight and defeat Bowser.
you will beat the game after you defeat the final boss in world 8
There is no Super Mario Advanced 4.
Complete the levels needed to continue and defeat the boss in the final castle.
Again with the other ones you hit bowser by shaking the wii remote
You have to collect 60 stars to get to the final Bowser fight then defeat him. And if you want you can collect 120 stars and unlock Luigi.
Defeat bowser
defeat it with bombs
press a behind him 3 times. he will give you a star. this is in super Mario 64
Well, if you are talking about New Super Mario Bros. for DS, you go the final castle in world 5 where you fight Petey Pirhana. Well, the thing is that you need to defeat him WHILE you are mini Mario or Luigi.
by jumping on him or shooting him when you are the flower
jim on top of his head