Art of Fighting/Secrets

Play as Mr.Big
Play through story mode until you reach Mr.Big and have a second player join in. Mr.Big will now be a selectable character.

Play as Mr.Karate
Play through story mode until you reach Mr.Karate and have a second player join in. Mr.Karate will now be a selectable character.

Tear King's clothes off
If you finish King with a special move, her clothes will be torn and it will be revealed that she is a woman.

Fight against Geese Howard
Play though story mode without losing one single round and you will be able to fight against Geese Howard after you beat Mr.Big. If you loose one round have a second player join in, beat him and continue.

Tear King's and Yuri's clothes off
Same as AOF1: finish them with a special move to reveal their underwear.

Extra Power (Home version only)
To use this trick, you must own Art of Fighting 1 & 2 for memory compatible systems. First, win all three bonus games in AOF1 and save your game. Then go to AOF 2 and choose load. Load the Art of Fighting 1 option you are presented. You will begin the game with all of the characteristics of the AOF 1 bonus stage games completed in AOF 2.

Play as Geese (SNES version only)
When you see Saurus enter: on the direction pad, and then hold  and.

Birthday Gift
Each character will be powered up on their birthdays and able to perform a Desperation Move at any time.