Select the game in USB Loader GX, go to Settings > Game Load , and change the Game IOS from Global (249) to 250 . New Super Mario Bros. Wii
The Compatibility List became a battlefield during the "cIOS Wars."
If using a high-power HDD, use a Y-cable to draw power from both USB ports on the back of the Wii to ensure stability. 2. Supported File Systems (Formatted Drive) usb loader gx compatibility list full
: No file size limits; supports large .wbfs or .iso files natively.
A "Perfect" rating means the game plays from start to finish with no crashes, audio glitches, or graphical errors using default or slightly adjusted settings. Select the game in USB Loader GX, go
Some USB 3.0+ drives with built-in encryption or "green" power-saving modes might not wake up fast enough for the Wii, resulting in a black screen or disconnects.
While the official Wiki is a great start, the most updated user-maintained list is the Wii USB Device Compatibility List on GBAtemp. Troubleshooting Tool: Some USB 3
To achieve the "full compatibility" experience with USB Loader GX, you should aim for the following setup: 3.5" Powered HDD or USB 3.0 SSD. Format: FAT32 (32KB Cluster Size). Format Type: WBFs files placed inside a /wbfs/ directory.
If playing an out-of-region game (e.g., playing a PAL game on an NTSC console), go to game settings and change Video Mode to Force NTSC or Force PAL . If you want to fine-tune your configuration, let me know: Are you using an original Wii or a Wii U (vWii) ? What brand and type of storage drive are you plugging in? Which specific game is failing to load?
There is no single, official, complete compatibility list maintained by the developers. Why? Because compatibility depends on many factors beyond the game itself.