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you don't. only the wii version has it. The only secret worlds are 4 and 7 whick you have to use a mini shromm to defeat the boss in worlds 2 and 5. you can also unlock stars bside your file by completing the game once, beating all the levels, and getting and spending all your star coins.
What else can I help you with?
How do you unlock world nine on New Super Mario Bros for Wii?
beat and unlock all the other levels. my mom is the Mario master
How do you unlock levels 4 and 7 on new super Mario bros ds?
you beat the world 2 final boss as mini Mario and you will unlock world 4. Do the same thing in world 5 to get world 7
Entrance to world 9-1 super Mario Wii?
you must get all the star coins in each world to unlock the levels on world 9.
How do you make a Super Mario world?
you play super Mario and all you do is play that is how you make the world of super Mario because you just complete levels
How many levels are in Super Mario world?
96
How to unlock the place Mario world in super smash bros in 64?
you first have to unlock sonic
How do you unlock rosalina on super Mario 3d world?
Complete World Star-2
How do you unlock world 9 on Super Mario Brothers ds?
There's no World 9 on New Super Mario Bros. for DS. In New Super Mario Bros. Wii, World 9 is unlocked after you rescue Princess Peach.
How do you unlock the cannon outside the castle in super Mario 64ds?
it is not stars it is a world
How do you unlock world 3 b in Super Mario Brothers?
There's no such thing!
How do you unlock world 9 on Super Mario Brothers wii?
collect all the star coins from each world to unlock the ninth one
How do you get to world 4 on Super Mario Bros?
How do you get to world 4 on super mario bros ds?
