To unlock this achievement/trophy, every character in the game needs to be unlocked. All but one character will be unlocked through campaign mode. Gargoyle will be the only chacter left. To unlock him you need to reach level 22 in online play or simply complete both red sides by completing the campaign on both Black and White side. If you decide to go this route, beware that the unlock will occur at the end-results screen.
Explore the galaxy in the franchise's first open-world game.
