The following is a list of unlockables a player can obtain in Super Smash Bros.
Unlockable characters
| Character | How to unlock |
|---|---|
 Luigi
|
Complete Bonus 1: Break the Targets with all starter characters. |
 Captain Falcon
|
Complete 1P Game in 20 minutes or less with no continues |
 Ness
|
Complete 1P Game on Normal with 3 stocks or less and no continues |
 Jigglypuff
|
Complete 1P Game with any character |
Unlockable stage
| Stage | How to unlock |
|---|---|
 Mushroom Kingdom
|
Complete 1P Game with all 8 starting characters and play every multiplayer stage at least once |
Modes
| Mode | How to unlock |
|---|---|
| Sound Test | Complete Bonus 1: Break the Targets and Bonus 2: Board the Platforms with all characters |
| Item Switch | Play 100 rounds of Multiplayer |