you beat the last boss
You have to finish the regular story mode.
Finish Crisis City to unlock Shadow the Hedgehog's story.
You have to finish all of the stages in story mode.
Once you finish Sonic, Silver and Shadow's story, the last story becomes playable.
Once you finish Sonic, Shadow and Silver Story, Last Story appears on the story screen.
You get last way after you finish the origanl story mode. So work on the story and you will get Last way. Good Luck!
Theres unlockables, final story,
You have to get to the last story to become Super Shadow.
beat the last story (after you fight devil doom)
Shadow - Beat Heroes story
The only time you can become Super Shadow in Shadow the Hedgehog is at the true final boss, at the end of "The Last Story", when you fight Devil Doom, the super form of Black Doom.
No, the Shadow the Hedgehog game and the Sonic Heroes game have different story lines that do not pertain to each other.