Behind the First Door in Super Mario 2! (Secret GLITCH World!)

In today's video I show you how to access the secret worlds behind the first door in Super Mario Bros 2 for Nintendo NES.

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You can find the aptly named "SMB2 Transmogrificator" here:
http://smb2trans.sourceforge.net/

nensondubois has a cool game code disassembly research channel, check it out here:
@nensondubois

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Intro.wav sound effect was sampled from Soundscapes55 under CC-BY 3.0 license.
http://creativecommons.org/licenses/b...

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