Begin a new game and put "ENDING" as your name. If done right, all the game tasks will be completed and you'll get the ending if you visit the king.
Invincibility and Infinite Gold (Japanese version)
Begin a new game and put as your player name the following process: Press Down 3 times and Right 2 times and select the Japanese character. Then press Down 2 times and Left 2 times and select the Japanese character. Now press Right 3 times and select the Japanese character. Finally press Up 5 times and Left 2 times and select the Japanese character. Now start your game and you'll have infinite gold and be invincible.
Power Up Trick
Note: You will have to have one empty save file to do this trick.
When you're at the title screen, press the Start button and choose the ''New Game'' option and press Start again. On an empty file press A to be taken to the insert name screen. Type in your name as:
GaoGao
Use the A button to confirm.
Special Name Passwords (Japanese Release)
When entering a name prior to beginning gameplay on the Japanese release of this game ("Faria: Fuuin no Tsurugi"), entering certain names can result in special effects. Enter the following names to achieve those effects, then use the lower-rightmost symbol on the name entry screen to confirm entry. Note that these passwords are in the form of - Row #, Column # -.