All you do is type Super Mario 63 (Level editor) (Of course you will loose everything in the one that you have and you will have the level editor though but loose all saved files.) There is another way (Go and make your level you can always come back and play on the previous Super Mario 63 that has no level editor but still have Saved Files
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super mario brothers
Mario level designer
yes
i doubt it, of they do make a new Super Mario series (Super Mario 64, Sunshine, Galaxy, and Galaxy 2), i think that it should be a different theme.
Blue mushrooms in New Super Mario Bros. make you small.
When you are on the game, click on Level Editor and there you go!!!
I think you have to make a acount first
Well there is this Super Mario World Level maker on the intenet called Super Mario Flash. You can make Super Mario World levels on your computer/laptop and share it with other people worldwide. Here is the link to it if your interested: http://www.pouetpu-games.com/index.php?section=2&game_id=1&w=640&h=480
Signs point to no, Nintendo has already started a different 3D mario series. Sorry.
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
im cheking everywhere right now but i still cant find it.
You go to Level Editor. Then, you can choose what background you want, your size, even hack the game by editing the code.