![Mario stands inside of the cabin in Cool Cool Mountain with the door open behind him in a screenshot from Super Mario 64](https://cdn.vox-cdn.com/thumbor/QtzxwcJm0eP5L93jed7dfbm1-Hw=/0x0:1920x1080/640x360/cdn.vox-cdn.com/uploads/chorus_image/image/73344987/SM64_s_Unopenable_Door_Has_Finally_Been_Opened__5_30_screenshot.0.jpg)
And it only took a four-hour YouTube video to understand how
Source:https://www.polygon.com/24155778/super-mario-64-secret-door-cool-mountainAnd it only took a four-hour YouTube video to understand how
Source:https://www.polygon.com/24155778/super-mario-64-secret-door-cool-mountain