You cannot unlock Mr. Game & Watch in the origanal Super Smash Bros. game. However if you are meaning Super Smash Bros. Melee you have to clear Classic, Target, or Adventure mode with all but him. He will be the final Melee secert character you can unlock. For Brawl play the Subspace Emmiassy. There are other ways but I do not know any other way around.
No you can not unlock the master hand in super smash bros.64
no, however you can unlock him in super smash bros. brawl
Mewtwo isn't in super smash bros 64.
Bomberman isn't in Super Smash Bros Brawl.
toad is not feature in Super Smash Bros! in fact! Peach is shield with toad!
No.
No
play alot
You can't unlock Darkrai in Super Smash Bros. Brawl. If you hear a rumor it is obviously fake.
You cannot unlock 8 bit Luigi in Super Smash Bros. Brawl. You can unlock Luigi though.
In the original super smash bros final destination is not a playable stage.
Unlock all the characters of super smash bros melee