Super Mario Bros. 3 Custom Level - Shiverburn Fortress @insectduel
Super Mario Bros. 3 Custom Level - Shiverburn Fortress @insectduel
Uploaded June 2026 | Updated September 2026, 1 day ago
A SMB3 Spring'26 Level Design Contest designed by me hosted by SMB3 Prime.

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Super Mario Bros. 3 Custom Level - Shiverburn Fortress

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