Elemix!

Elemix!
Developer: SIMS Publisher: SIMS Platform: Game Boy Advance Released in JP: January 3, 2003 This game has unused areas. This game has hidden development-related text. This game has debugging material. This game has a hidden sound test. This game has a hidden level select.

EXTERMINATE! EXTERMINATE!

DEBUG MENU

Code 03002AF005 will allow you to access a basic debug menu where you can warp to any point in the game, listen to all of the music and sounds in the game. There is also an unused screen. ROM text for the debug menu can be found starting at 0x2F544.

STAGE SELECT

STAGENO will allow you to start at any stage in the game.

SOUND TEST

The sound test allows you to listen to any song or sound effect in the game.

SUBSCREEN TEST

Allows you to select any area in the game.

CSOON

An unused screen listed as CSOON, a leftover from a demo or sample version.

(Source: nensondubois)