World 2-Haunted House - New Super Mario 2 Guide - IGN

A short time after Boohemoth starts chasing you, you'll find a blue/purple block that moves left and right. Jump on it and wait until it is all the way to

World 2-Haunted House - New Super Mario 2 Guide - IGN

Secret Exit Guide - New Super Mario 2 Guide - IGN

Secrets - Super Mario World Guide - IGN

For all of the 100% players what's your final rating of the game? : r/Mario

New Super Mario Bros 2. - Star Coin Guide - World Flower-Haunted House - IGN

Secret Exit Guide - New Super Mario 2 Guide - IGN

World 2-5 - New Super Mario 2 Guide - IGN

World 2-B - New Super Mario 2 Guide - IGN

Super Mario 2 Guide - IGN

Secret Exits - New Super Mario U Guide - IGN

Super Mario Bros. Wonder: all secret exits

World 6-Ghost House (New Super Mario Bros. 2), MarioWiki

Super Mario Bros. Wonder: all secret exits

World 6 - New Super Mario 2 Guide - IGN