Super Mario Bros.: XXXX 
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Super Mario Bros. XXXX is a fan-made modification of the classic Super Mario Bros. for the Nintendo Entertainment System. Players embark on a quest to locate stars to access Bowser's castle. Featuring engaging gameplay and enjoyable music, this hack offers substantial replay value, challenging players with hazards that can quickly lead to defeat.
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
Oct 15, 2003
21 years ago
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Popular Nintendo Entertainment System Games
NES Core Required
Super Mario Bros.: XXXX ROM
Download the Super Mario Bros.: XXXX ROM free and start playing in minutes on any top emulator—desktop, mobile, or web. Enjoy lightning-fast Super Mario Bros.: XXXX ROM downloads with full setup guides, cheats, and retro gaming tips so you can relive the classics today.