Level Passwords (Japanese Version Only):

Level 1 - SRHJ
Level 2 - SHRS
Level 3 - JSHR
Level 4 - HJSR
Level 5 - RSHJ
Level 6 - RRJH
Level 7 - HJRS

Note: There are no passwords in the North American version of the game.

Keys:

R: Ryu's face
J: Blue Japanese written character
H: Health potion
S: Shuriken