Clear the screen of enemies
While playing the game you can clear the screen of enemies by just pressing Select to go to the menu screen and then exiting it If done right all the enemies will be gone You can do this as many times as you wish
Microphone substitute
There are three parts in the game where you must use the Famicoms 2nd controller builtin microphone the Pachinko Parlor the Karaoke Bar and to reveal the map If you dont have the microphone available you can alternatively press Down A at the same time on the second controller to manually switch from microphone input to controller input That way when you are required to use the microphone just press the A button on the second controller and that will qualify as using the microphone
Pacific Island Password
At the password screen press Left 2 times Down 2 times and enter the Japanese character Then Up 1 time Right 1 time and enter the Japanese character Now repeat that same pair of Japanese characters 8 more times Then for the final two characters press Up 1 time Left 6 times and enter the Japanese character Right 6 times Down 1 time and enter the Japanese character Hit quotEndquot to start on the Pacific Island
Revive yourself
If your energy gets drained press the A and B buttons at the same time 3 times in a row If done right your character should get back up with full energy
Secret Japanese Soldier Password
At the password screen press Down 1 time and enter the Japanese character 20 times Now hit quotEndquot and youll start in a Jungle Go left enter the hut and leave it right away Youll now be in a different area Go left again to enter a jungle Start counting the trees and hold Up in the middle of the 16th amp 17th tree If done right youll enter a secret area with a Japanese soldier
Treasure Room Password
At the password screen press Left 4 times Down 3 times and enter the Japanese character 20 times Now press End and leave the password screen to start on the Treasure Room
Warp to the last room without playing the game
To reach the very last room the treasure room without playing the game just press the A button the punch button 20 thousand times on the title screen You will physically see the character punching the air you can take breaks and move around if you wish but you must punch 20 000 times If done correctly youll be warped to the treasure room without having to play the game