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Mega Man 4 Guide > Dr. Cossack's Castle

At last, you've taken down the robots that were helping Dr. Cossack with his devious plan. Now it's time to invade the scientist's castle and let him know that you don't mess with Mega Man. But when you get to the end and finally face the doctor, will everything play out like you expect it to? They only will if you're expecting the return of an old nemesis…

NEXT: Stage One