At a glance, this looks like a mismatch. KOF brings a small army. DNF brings a tactical squad. But "unlocked" doesn't mean "balanced."
Did you know that having all characters unlocked triggers a secret final boss? When you beat Arcade Mode on the hardest difficulty with a full roster, you face fused with Sirocco the Insane (DNF) . This is the hardest fight in the game, and you can't even challenge it unless the entire grid is filled. king of fighters vs dnf all characters unlocked