If you see multiple files like .r00 , .r01 , etc., make sure they are all in the same folder before extracting the main .rar file.
Go to Config and ensure Enable Cheats is checked, or the codes will not work. Built-in Game Cheats (No Codes Required): XM-ND-(USA)-GCN-ISO-GameGinie.rar
Open Dolphin and right-click in your game list. Select Properties and navigate to the AR Codes tab. Click Add New Code , paste your code, and give it a name. If you see multiple files like
You need a utility like WinRAR or 7-Zip to extract the contents. Right-click the .rar file and select . paste your code