This is often due to a bug in specific ROM versions. Known issues include random instant-kill scenarios, large damage spikes (like losing half your health bar suddenly), or the game crashing entirely when a specific character (e.g., Sie Kensou) performs a specific move. This is a known limitation of some ROM hacks.
These are not official SNK releases but rather ROM hacks (IPS patches) applied to the original ROM file. Does the KOF 98 Anniversary Edition ROM Download Work? kof 98 anniversary edition rom download work
Reported during tournaments. Ensure both players are using the exact same ROM build (version 1.2.0827 is standard). Diagonal Input Issues This is often due to a bug in specific ROM versions