Stormreach ?
Chat with our AI personalities
If you mean the one that you can play as knuckles, then it might be called Angel Island
Technically, Sonic Unleashed is sort of Adventure 3; in Japan it is called Sonic World Adventure. Aside from that, it is not really clear if there's going to be one.
If you play sonic the hedgehog 3, sonic and tails fly to the island where the death egg crashes, when they get there sonic turns super and any tries to get there faster but then knuckles pops out fro the ground and takes sonic's chaos emeralds and rushes off
According to the Sonic the Hedgehog Technical Files, Sonic was born on Christmas Island.
1:Sonic the Hedgehog 2 2:Sonic Adventure DX 3:Sonic Advance 2 4:Sonic 3 & Knuckles 5:Sonic the Hedgehog 5: Sonic the Hedgehog 4: Sonic Advance 3 3: Sonic Adventure 2: Sonic & knuckles 1: Sonic CD 5: Sonic the Hedgehog 3 4: Sonic the Hedgehog 3: Sonic the Hedgehog (2006) 2: Sonic and the Secret Rings 1: (what? not sonic cd?) Sonic Adventure