The King Of Fighters - 2003

On console versions, defeat them in Arcade Mode to make them playable.

Standard options include dashing (double-tap forward), hopping, and rolling (A+B). Boss & Secret Character Unlocks The King of Fighters 2003

SuperCombo Wiki : Technical frame data and character-specific guides . SNK Wiki : Lore details and ending explanations . The King of Fighters 2003 - SuperCombo Wiki On console versions, defeat them in Arcade Mode

The game uses a standard 4-button layout for Light Punch (A), Light Kick (B), Strong Punch (C), and Strong Kick (D). SNK Wiki : Lore details and ending explanations

The final boss you face depends on how you defeat in the middle of the game: Adelheid Bernstein: Defeat Kusanagi with a standard move. Mukai: Defeat Kusanagi with a Desperation Move. Unlock Method Kusanagi

For specific character data and advanced strategies, you can consult these repositories: