Code Lyoko (Nintendo DS)
Code Lyoko is an action game based on the French animated television series of the same name.
Apparently there are unused sound effects?
Unused Sound Effects
Ulrich's Sword drawing
Apparently all the characters were supposed to draw their weapons or do a fight preparing pose. Instead, they immediately start fighting with no preparing animation. A sound effect of Ulrich drawing his sword is in the game.
Normally, when a character is devirtualized and you select him/her on the character select screen, the "SELECT" button is replaced with "RELOAD", which resurrects the character (and takes some of your databits in exchange). However, some unused item text in the ROM suggests that you originally had to buy an item to resurrect a fallen Lyoko warrior.
AllResurrectionDesc Resurrect a Dead Lyoko Warrior (X 1.5 after each use)
The following text found near the other options text suggests that there was an option to change music and sound volume.
ButtonMusicVolume MUSIC VOLUME
ButtonSoundVolume SOUND VOLUME