Monster World IV

When in-game, hold A + C + START on controller 2, then press B + START on controller 1. A new menu should appear, where you can teleport to any screen/room/door or change the characters position. Press B + START on controller 1 on the selection you want to go to. Press START to exit. Or hold A on controller 2, then press START on controller 1 to see the credits roll.

When you reach Rapadagna, do not talk to the sage at the entrance that lets you save. Go left and talk to one of the two guards to enter the castle courtyard. Head to the top right of the screen to enter a long, apparently empty screen with bushes in the background. Go towards the group of bushes on the right side of the screen; keep pressing up on the left side of them where they begin. You will eventually enter the Debug Shop, where you can buy debug equipment which is the same strength as Legendary equipment but with additional debug features. Every time you talk to him, he'll give you 9999 gold. Stock up on as much gold as you want, and then buy out all the equipment and he will disappear.

Farm gold from enemies, if your gold reaches 777, you will automatically be rewarded with an additional 7000 gold.

At the start of the game, enter the first house. Go down the rope and enter the door.Talk to the old women on the right, she will give you a chest of 5 lifedrops. DO NOT OPEN THE CHEST. Instead, keep talking to her for at least 20 times. She will now dropped 20 chest, 100 lifedrops. Open them all to max out your blue hearts.Once you open one of her chests, you can no longer get anymore by talking to her.

To open the hidden sound test menu, at the title screen when New Game is selected. Press up, down, up, down, left, left, right, right. There is 53 sounds in total, press up/down to select them, and Start button to hear them.