Unlock battle stages 11, 12 and 13

This requires Hudson's Super Joycard controller.
Have the X switch on the controller set to the middle and on the title screen hold X for about 6 seconds. A sound will confirm on success. These are the same stages found on the gold cartridge.

Boss Character Passwords for Config Battle Mode

Well, through the cunning use of patch codes, I have been able to make near-exact duplicates of each and every boss character in Config Battle Mode. They can't take as many hits as they can in Single Player Mode due to how Config Battle Mode works, and certain characters' unique powers might be diminished slightly due to how Battle Mode works in general(IE, Bomber Woof can't lay more than one Land Mine Bomb at a time, Baron Bombano can't scatter Skulls and Geta about, etc.). . .and their colours aren't 100% precise. . .but the Items, Fire, Bomb Up, and Speed Up statuses are perfectly accurate. Check 'em out.

*"Mokushiroku no Bomberman" Notes: This is a warped creation of mine. He's basically the same old Bomberman you'd have by the end of a Single Player session, but he has not the maximum of 8 Bomb Ups, Fires, and Speed Ups, but a total of 9 of each, and also has each and every obtainable item aside from the Bomb Kick and Pursuing Bomb items! As far as I can tell, however, the Land Mine Bombs override the Remote Controlled Bombs.("Mokushiroku no Bomberman" translates to "Bomberman of the Apocalypse," for anyone who cares.)
**"Subordinate Bomber" Notes: The Subordinate Bomber works perfectly fine in battle games, but keep in mind. . . Playing with him will result in some odd(but completely harmless) graphical glitches on the Win Counter in-game and possibly the battlefield. He has no victory sound name-sound.(Like when playing a Single Match and Dave Bomber wins, you'd hear "Deibu Bondaa" during the Victory screen.) This, of course, makes the game crash, seeing as it can't find the sound it wants to play. He's entirely safe to use in Tag Matches, though. Finally, his stats come from when you've destroyed Pirate Bomber before him. He gets a boost from 2 Fires to 8 Fires. Nothing more.

Cheat Codes