These are raw or compressed disc images. They are "true" ISOs often used with the Cemu emulator on PC.
While "Loadiine" is often included in search terms, most Wii U modding enthusiasts have moved toward . Super Mario 3D World WII U ISO -Loadiine- -USA ...
Approximately 1.7 GB (Greatly optimized compared to other AAA titles). Emulation with Cemu These are raw or compressed disc images
