You can play as him in the Research facility levels, and the Subspace Bomb factory levels.
Beat the subspace emissary
you cant but you can get him in subspace emissary
Sonic will appear during the final battle in the Subspace Emissary
Beat Subspace Emissary then he appears
In the subspace emissary mode.
After you beat the subspace emissary, you have to go back to the swamp and there is another door there for you somewhere go to the ruins to obtain wolf, after beating subspace emissary.
SSE is an abbreviation for Subspace Emissary, Super Smash Bros Brawl's adventure mode.
Finish the subspace emissary mode.
A boss in the Subspace Emissary (Adventure Mode in Super Smash Bros. Brawl)
anything you wish my son
they increase certain stats on your characters in subspace emissary
Ridley isn't playable in brawl but can be battled in boss battles or the subspace emissary.