go through some sonic levels, like 3, and you get him, or silver, i don't know.
Finish Crisis City to unlock Shadow the Hedgehog's story.
Shadow - Beat Heroes story
you have to beat the story of sonic, tails or knuckles.
There are 4 episodes Sonic, Shadow, Silver and Last, you unlock Shadow by encountering Shadow in story mode, and Silver's story is unlocked by encountering Silver in Sonic's story, last story is unlocked by beating all 3 hedgehog's stories, none of these are 'hidden' per say, but there the only episodes or stories in the game.
Just beat story mode with both the heroes and Babylon rouges.
Complete the main story line of Sonic's story, Shadow's story AND Silver's story. You don't need to do any town missions if you don't want to.
You have to complete the main story line of Sonic's story, Shadow's story AND Silver's story. You don't need to do any extra town missions if you don't want to.
No, the Shadow the Hedgehog game and the Sonic Heroes game have different story lines that do not pertain to each other.
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 Have To Play Sonic's Story And As You Progress You Unlock Silver's Story Were You Can Play As Silver And/Or Blaze.
You have to beat the game by finishing Sonic's Story, Shadow's Story, and Silver's Story.