Highly Compressed Wii Games File
The Ultimate Guide to Highly Compressed Wii Games Wii game "compression" typically refers to —a process that removes "garbage data" or "padding" from a standard 4.37 GB disc image. While a standard uncompressed ISO always takes up the full size of a DVD, compressed formats like WBFS or RVZ store only the actual game data, which can reduce a 4 GB file to as little as 300 MB for simpler titles. Popular Compression Formats
Standard Wii ISOs are a raw dump of the physical disc, which always equals 4.37 GB. However, the actual game data is often much smaller—sometimes as little as 0.14 GB. highly compressed wii games
When playing on a physical Wii console via a USB loader, you are limited to formats the hardware can read. WBFS (Wii Backup File System): The Ultimate Guide to Highly Compressed Wii Games

