Enable the "Invincibility" code. Enter AENIP BLKEE as a password instead of selecting a character. Sit on the empty throne to start the ending sequence.
Defeating Gargon
Enable the "Invincibility" code. When you get to the place where you fight the Boss, look to the top left hand corner. The wall there is in a type of pattern that resembles stairs. Go to the second "step" and face Gargon. The fireballs he constantly spits out will not go in the direction where you are standing. Keep firing your weapon and you will defeat Gargon.
Edit name
Enter CHECK NAMEA as a password to name characters in the game.
Invincibility
Enter DEBDE DEBDA as a password, then press Run + I. Ignore the "Password Error" message and press II. Select a character and begin game play. Note: This code will also allow your character to move through objects.
Level select
Enable the "Invincibility" code. Enter one of the following fifteen bushes in front of Axis castle to jump to the corresponding location. Note: Bush 1 is on the left end, bush 15 is on the right end.
Bush Location
1 Natas
2 Balamous Tower
3 Rotterroad (path to Judas)
4 Mistose Dungeon
5 Ratonix Dungeon
6 Reraport Maze
7 Rally Maze
8 Bullbeast
9 Melba Village
10 After Gutworm
11 Nostalgia Dungeon
12 Water Castle
13 Road to Cherry Tower
14 Stonefield
15 Karma Castle
Alternate ending...