Would you like a technical guide on dumping your own NTSC RE4 disc to WBFS using CleanRip?
Standard Wii ISO files are exactly 4.37 GB because they are full disc dumps packed with dummy data. WBFS files strip away this useless filler data. Resident Evil 4: Wii Edition shrinks down significantly from its nominal disc size, saving precious storage space. resident evil 4 wii edition wbfs ntsc exclusive