Super Mario Bros.: Poison Mushroom 
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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.
Time to Beat
Main Story 1h 41m
Main + Extras 2h 0m
ttb_all 1h 56m
Speedrun Avg 0h 8m
Speedrun Full 0h 24m
Release Date
Apr 5, 2001
23 years ago
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NES Core Required
Super Mario Bros.: Poison Mushroom Game Wiki
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