You can use these for such things as changing number of rounds or unlocking hidden characters, such as Baek in Tekken 2 ... Transform to Devil Jin and press L1+Square to blast at the wall.

Tekken 5 is another entry in the series that, similarly to the third instalment, features a super difficult secret boss and then allows the player to unlock them with all of their original powers.

First seen in Tekken 4, slightly modified in 5 and then returned to its original look in 7, Jin's classic outfit is now available through the Tekken Shop. It looks nearly identical to the Tekken 7 ...