Tekken 7

Instant Carnage Special Chapter (secret Akuma Boss):
When you complete Story mode the 'Instant Carnage' special chapter will become unlocked which involves Kazuya fighting Akuma in a final match. You will be able to select this match in Story mode once you have cleared ALL the story chapters.

Unlock ALL Items in the Game:
When you have won or lost 2000 battles across ALL modes offline and online ALL the items in the game will become unlocked.