Monster World 2 End of Game (all versions)

This password will work for all 3 versions of the game, but the trick below to immediately go to the final boss only works on the Game Gear versions.

Once you enter the password go to the right and enter the first door. Now walk to the right and once you are in front of the well press up to enter a secret door. You are now in front of a new door. Press up to enter this door and you will be in the room with the final boss.

Wonder Boy in Monster World (Master System)

Make sure you hit select to access the system menu and verify the machine is set to Master System. These passwords will only work for the Master System version of Wonder Boy in Monster World.

Wonder Boy III: The Dragon's Trap Cheats

End of Game

Once you enter the password go to the right and enter the first door. Now walk to the right and once you are in front of the well press up to enter a secret door. You are now in front of a new door. Press up to enter this door and you will be in the room with the final boss.

Lots of Money, Items and Stats.

Enter the password at the Continue screen.

Start As The Human Form

With this password you'll start in Town as the Human form with all the attributes.

Unlock new game modes

Enter the following codes at the game's title menu, where it says "PRESS START BUTTON." You will hear a sound if the code is enter correctly.

Dynamite Headdy

Enter this code where it says start game and options. (The buttons used to enter the code are according to the default control setting) After the code is entered press start to choose your level

Alien Soldier

These are all for the Easy difficulty setting. Enter these codes at the password screen then select set.

Fight as Dural

At the character select screen, highlight Lion and hold select while pressing any of the following: L1, R1, L2, R2, Triangle, Circle, X or Square.