World 5: Stage 5-1 - Super Mario Guide - IGN

Super Mario at IGN: walkthroughs, items, maps, video tips, and strategies

Beat super Mario for the first time, did use a guide tho so not too proud 'bout that one : r/gaming

New Super Mario Bros. Wii Nintendo Wii Guide-Walkthrough - Walkthrough: World 5-Castle Iggy Koopa - IGN

World 5-4 - New Super Mario Wii Guide - IGN

World Bowser-5 Deepwater Dungeon - Super Mario 3D World Guide - IGN

World 5-1 Sunshine Seaside - Super Mario 3D World Guide - IGN

Super Mario 3D Land, MarioWiki

How to Unlock Special World Levels in Super Mario Bros. Wonder

World 1-5 - New Super Mario Wii Guide - IGN

Chapter 5-1 - Super Paper Mario Guide - IGN

World 1-5 - New Super Mario Wii Guide - IGN

Walkthrough - Super Mario Sunshine Guide - IGN

World 5-1 Sunshine Seaside - Super Mario 3D World Guide - IGN