: A newer, lossless format used primarily by the Dolphin Emulator that offers high compression ratios without losing any original disc information.
Standard Wii discs are formatted to a fixed size——regardless of how much data the game actually uses. Developers fill the unused space with "dummy" or "padding" data to ensure the physical disc reads correctly. A "highly compressed" file is simply a version where this useless padding has been removed. Recommended Formats for Space Saving Call Of Duty Black Ops Wii Iso Highly Compressed
A: Possibly, but it's difficult. Dolphin netplay desyncs often with multiplayer shooters. Official Nintendo Wi-Fi Connection was shut down in 2014. You would need a private server (Wiimmfi) and a specific patched ISO. : A newer, lossless format used primarily by