You have to complete silver's,sonic's and shadow's story to unlock the last story. When you finally meet up with Solaris, you go SUPER SONIC ! And if you get all S,s on all the missions, then you get free mode where you can play as any character and play them on any level.
You can't actually play as Solaris in the game, But to battle him you have to complete Sonic, Shadow, and Silver's stories completely. After that, you will unlock A final story, where you have to collect all of the Chaos Emeralds (Witch is difficult due to game glitches) Then All three of the hedgehogs turn super to defeat Solaris. Once you defeat Solaris once, you will have to battle him one or two more times ( I forget) but he gets easier each time. You switch hedgehogs to use their different powers.
No a board is not required to play the game. You use yourself and mimic the movements that you would perform on a board to control the character.
Beat Sonic, Shadow and Silver's stories. This will unlock the final story, play through and eventually Sonic, Shadow and Silver will transform into their super forms to beat Solaris. This is the only time where their Super forms are playable.
No, you can just use the Wii remote.
You can play Sonic 3, or Sonic & Knuckles but unfortunately you cant play Sonic 3 & Knuckles on Sonic's Ultimate Genesis Collection.
But you can play metal sonic.
No You can't play Sonic CD on the Websites, You play Sonic CD on the Sega CD, Right?
The best place to play sonic 3 for free is retrogamer.com.you can also play sonic 2 and 1 there
There will be 2 options: Play as the original Sonic in the original levels, or play as the newer Sonic in levels like in Sonic Colors or Sonic Unleashed.
you can only play as super sonic when you fight the finalhazard.
No.