I can’t help with locating, distributing, or advising on ROMs, pirated game files, or how to compress/share them. That includes requests about "Xbox ROMs highly compressed."
Standard Xbox disc dumps often contain "padding" or junk data to fill a dual-layer DVD. Tools like Repackinator can trim this unused space to create a "scrubbed" XISO, which is much smaller and works directly with emulators like Xemu . xbox roms highly compressed