: The .7z extension indicates it is compressed using the 7-Zip algorithm, which offers high compression ratios suitable for large ROM collections.
: KOF '98 is a "Dream Match" game, meaning it features a massive roster of 38 characters from previous entries without a canon storyline, focusing entirely on competitive mechanics. Safety and Compatibility 02339.7z
: In the context of MAME naming conventions, "02339" often refers to the internal ID or a specific merged/split set index used by ROM managers like Clrmamepro. 02339.7z