Super Mario Bros.: Poison Mushroom NES

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Super Mario Bros.: Poison Mushroom is a ROM patch for the Nintendo Entertainment System. Developed by Yy, the patch transforms all 1UP Mushrooms into Poison Mushrooms, inspired by the game Super Mario Bros.: The Lost Levels. This modification alters gameplay by introducing new hazards, adding an extra challenge to the classic platformer experience while maintaining the original game's mechanics.
NES Cores
Time to Beat
Main Story 1h 41m
Main + Extras 2h 0m
Speedrun Avg 0h 8m
Release Date
Apr 5, 2001
24 years ago
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Super Mario Bros.: Poison Mushroom ROM

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