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Build your own NES style Mario levels and play in them! Save levels and challenge friends to beat them, or just have fun going solo. *Custom Level Music *2 Modes of Play *Plays like Mario *Console Commands for faster building *(soon) Custom Tilesets! and more!

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Upload your custom levels to the new subreddit!

Upload your custom levels to the new subreddit!

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Create world files with SMEditor, then upload them and post a link on the subreddit! Let's see what you make!