Super Mario Bros NES Walkthrough (No Damage, All Secrets)

MORE LONGPLAYS ARE HERE: https://www.youtube.com/playlist?list=PLceTF6DIYFeS4Xgs2c4XNUSPCx1lIP27g

My walkthrough (longplay) of the Super Mario Bros (NES / Famicom). I've completed Super Mario Bros on NES without any damage. Also in my longplay all secrets have been found. Of course I haven't use any warps in Super Mario Bros.

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