you must defeat bowser in the first battle against him
No, where as I know there are not any other name of Super Mario Worlds.
You have to clear all the other worlds before you can do that.
Super Mario's developers had no imagination
there are 100 worlds
there are 8 worlds .
8 worlds.
8.
there are 16 worlds. 8 normal worlds and 8 special worlds
11
ambot
Be Mario and go the the main lobby, stand on the sun, and look up to the spotlight.
unlock the cannons