An unlockable stage is a stage that is not available at the beginning of the game, (unlike a starter stage), but must be unlocked.
Super Smash Bros.
| Stage | How to Unlock |
|---|---|
| Mushroom Kingdom | Beat 1-player mode with all 8 starter characters and play every other stage at least once. |
Super Smash Bros. Melee
| Stage | How to Unlock |
|---|---|
| Eagleland - Fourside | Play 100 VS. matches |
| F-Zero Grand Prix - Big Blue | Play 150 VS. matches |
| Past Stages - Dream Land | Clear Target Test with all 25 characters, with a total time of less than 25 minutes |
| Past Stages - Kongo Jungle | Clear 15-Minute Melee |
| Past Stages - Yoshi's Island | Hit more than 1350ft/400 with Yoshi, in Home Run Contest |
| Kanto Skies - Poké Floats | Play 200 VS. matches |
| Mushroom Kingdom II | Unlock the Birdo or Pidget trophys |
| Planet Zebes - Brinstar Depths | Play 50 VS. matches |
| Special Stages - Final Destination | Clear every Event Match |
| Special Stages - Battlefield | Complete All-Star Mode |
| Superflat World - Flat Zone | Complete Classic Mode with Mr. Game & Watch |
Super Smash Bros. Brawl
No unlockable stages have been officially confirmed. Helipad, however, is almost undoubtably unlockable, as it is the home stage to Snake, who is third party, and thus unlockable, himself.