It is not possible to unlock Tabuu or Darkrai. If you heard a rumor it is obviously fake.
You can't unlock Darkrai in Super Smash Bros. Brawl. If you hear a rumor it is obviously fake.
If you mean playing as Tabuu you cant so you cant unlock strictly speaking.
You unlock it in Coin Launcher.
It's impossible
Unfortunately, No. There's a trophy, but that's it.
you cant do it at all he is not one of the playable charecters. so its impossibe
just attack him
Yes he is. He appears as the final boss in the game
you can't unlock him in super brawl summer you only unlock him in super fall brawl
you can't unlock him in super brawl summer you only unlock him in super fall brawl
Yes you can. That is how you beat the adventure mode.
None of the bosses including tabuu can be played.