You just have to finish all 51 event matches.
In the original super smash bros final destination is not a playable stage.
Go on how to unlock all characters in super smash flash
tell me some ways to unlock cloud on super smash flash
To unlock King Dedede in Super Smash Flash, you need to complete Classic Mode with Kirby. After defeating the final boss, you will be prompted to unlock King Dedede. Once you do this, he will become available for selection in the character roster.
You don't need to. That stage is already on the Stage Selection screen, so you don't have to unlock it.
Sorry. you can't unlcok him in super smash flash. But look somewhere if he is in one of the Super Smash Flash 2 versions and unlock him. Good luck :-)
Clear 3-minute Melee with any character to unlock Crono in Super Smash Flash.
how to unlock Yoshi on super smash flash 2
To unlock Cloud in Super Smash Flash, you have to either hack or clear 100-man Melee with any character.
In Super Smash Flash, clear Classic Mode with the 13 original characters to unlock Mr. Incredible.
you can not unlock samous in super smash flash 2 v0.8a but she is likely to appear in v0.8a.
Keep picking random peoples campaign. Once you fight the mystery person you must beat them, and you unlock the characters on Super Smash Flash.