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Original game commercial:
https://www.youtube.com/watch?v=IwI3EdsDCDM
The Cutting Room Floor article:
https://tcrf.net/Super_Mario_Bros._2_(Famicom_Disk_System)#Unused_Graphics
https://www.youtube.com/watch?v=IwI3EdsDCDM
The Cutting Room Floor article:
https://tcrf.net/Super_Mario_Bros._2_(Famicom_Disk_System)#Unused_Graphics
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The Cutting Room Floor article:
https://tcrf.net/Super_Mario_Bros._2_(Famicom_Disk_System)#Misplaced_Enemy
In-game footage:
https://www.youtube.com/watch?v=YUgQNmCqWS8
https://tcrf.net/Super_Mario_Bros._2_(Famicom_Disk_System)#Misplaced_Enemy
In-game footage:
https://www.youtube.com/watch?v=YUgQNmCqWS8
subdirectory_arrow_right Super Mario Bros. (Game), Super Mario Bros. / Duck Hunt / World Class Track Meet (Game)
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Super Mario Bros. / Duck Hunt / World Class Track Meet has unused graphics from Super Mario Bros: The Lost Levels, which can be activated by a Game Genie code, allowing one to play SMB1 levels with The Lost Levels graphics, albeit with some glitched tiles in different parts of the game.
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According to then Nintendo of America CEO Howard Lincolin, the game was not released overseas because it was too challenging and too much like the original to sell well. In order to prevent the early series from being associated with frustration and staleness, they instead adapted the Japan only game Doki Doki Panic, and released it as Super Mario Bros. 2 for the West.
subdirectory_arrow_right Super Mario Bros. (Game)
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According to an interview with Shigeru Miyamoto in Family Computer Magazine, World 9 of Super Mario Bros.: The Lost Levels, which is only accessible by playing the entire game without using Warp Zones, is based on a glitch in the original Super Mario Bros., which could allow the player to access 256 extra worlds.
subdirectory_arrow_right All Night Nippon Super Mario Bros. (Game)
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