Super Smash Bros. Brawl/Gameplay

In the Options menu you can configure the way you are going to play etc.

Screen
Choose between standard and widescreen screen.

Deflicker
Choose the graphics for your game.

Rumble
Choose which controls will have the rumble on o off.

Sound
Balance game music and sound effects.

My Music
Listen to every song you've unlocked and choose which songs will be played in the stages.

Erase Data
Don't enter this section unless you want to restart your game. All data erased here will be unrecoverable.

However, in here you can erase:
 * Hidden Characters.
 * Hidden Stages.
 * P1 High Scores.
 * Brawl Records Data.
 * Adventure Mode Data.
 * Vault Data.
 * Masterpieces Data.
 * Challenges Data.
 * Trophy & Sticker Collection.
 * Erase All.

Again, be warned that you won't be able to recover any data once it's erased.