[best] - King Of Fighters Wing 1.9 All Characters Unlock

Press the key during the character select screen. A list of toggles will appear. Look for the line that says: "Unlock All: FALSE"

By default, only the "Hero" and "Rival" teams are selectable. To unlock the rest, you need to play. King Of Fighters Wing 1.9 All Characters Unlock

Once unlocked, you get: