In the original super smash bros final destination is not a playable stage.
You don't need to. That stage is already on the Stage Selection screen, so you don't have to unlock it.
You don't unlock him! If you unlock Sonic and play as him, Super Sonic is his final smash.
Super Sonic is Sonic's Final Smash; you cannot unlock him as a real charactor though.
You just have to finish all 51 event matches.
beat all the events
The final character that you can unlock in SSBB is Wolf. He's from Star Fox.
You have to do events 1-51, then you will have the stage Final Destination. P.S. The stage is kind of cool.
Go on how to unlock all characters in super smash flash
You'll get the final destination stage.
tell me some ways to unlock cloud on super smash flash
No you can not unlock the master hand in super smash bros.64
how to unlock Yoshi on super smash flash 2