you don't unlock it, it's automatically optional when you start a new file. go to the Sonic Simulator.
2-player mode is in a special area called the Sonic Simulator. It has a metal Sonic face when you choose it.
You can only do 2 player in the Sonic Simulator Mode.
Keep earning emblems (80 I think...). Also, she is only available for two player mode, not the single player.
ive never played it
Its already available. To get each mode play through adventure mode and make sure you also set up your chao garden.
2-player mode is in a special area called the Sonic Simulator. It has a metal Sonic face when you choose it.
You can only do 2 player in the Sonic Simulator Mode.
Beat one player mode with everybody.
Beat one player mode with everybody.
Win Shadow Cup in Single Player mode.
If you play through the story mode you unlock every character. And if you play with another friend in a mode you can have a battle with sonic and if you win, you have him (i got him)
ITS CALLED SUPER SMASH BROS, Sonic isn't even in it until the 3rd installment.classic is not unlocked, just go into solo mode.
First unlock Sonic you can do that many ways the easiest being finishing the subspace emissary, Second play Sonic in Classic Mode and beat Classic Mode you will win the Sonic trophy after your done. Once you unlock all the characters you can play the all star mode and if you beat this with Sonic you will also get his final smash trophy.
Keep earning emblems (80 I think...). Also, she is only available for two player mode, not the single player.
complete adventure mode with s.sonic
beat story mode
ive never played it