Place your RMCE01.iso (or similar) into the same folder as the patcher files.
use a ROM that has already been patched for Wiimmfi; the Retro Rewind builder requires a clean image. Are you planning to play this on a physical Wii console or using the Dolphin emulator on your PC?
Inside, you will find a portable Dolphin environment or a specific set of folders (usually containing a Load and Sys directory). mario kart wii retro rewind iso work
As of 2026, the most stable version is (released late 2024). Earlier betas (v0.9, v0.85) have known ISO patching bugs. Do not use them.
Mario Kart Wii Retro Rewind ISO , you cannot simply use a standard Mario Kart Wii ISO. You must use the ISO Builder Place your RMCE01
v1.2 (Latest Stable) Platform tested on: Dolphin Emulator (PC) & USB Loader GX (Wii/Wii U vWii)
If you want to play Retro Rewind on a real Wii without using the original game disc, you must create a . Inside, you will find a portable Dolphin environment
If you cannot connect to RetroWFC, ensure your firewall is not blocking Dolphin (or that your Wii has the correct network settings). Make sure the Retro Rewind forwarder channel is installed correctly if playing on a real console. Conclusion