Use a homebrew app like WiiFlow or USB Loader GX . These apps require the game to be in .wbfs format on a FAT32-formatted USB drive. 0;2a;

In the context of Wii games, a standard ISO file (a digital copy of the game disc) usually ranges between . This is the full, uncompressed size required to burn the game back onto a disc or play it on standard emulators.

: A format designed to be "recoverable" to its original state, typically around 336 MB to 519 MB 3. Performance and Risks

Not everyone has high-speed fiber internet. A compressed file (sometimes as small as 900MB to 1.5GB) is much faster to acquire.

This format "scrubs" the junk data (padding) used to fill up physical Wii discs. Converting an ISO to WBFS can often shrink Mario Kart Wii significantly because it removes the empty space.

The only legal and truly safe way to play Mario Kart Wii today involves the original hardware or software ownership:

add hundreds of new tracks and mechanics like "blue shell hop dodging". into a highly compressed format?