Sonic Unleashed - Wikipedia

Tails (Sonic the Hedgehog) - Wikipedia

Sonic Unleashed, PlayStation Wiki

Sonic Unleashed - Plugged In

Sonic Colors - Dolphin Emulator Wiki

Sonic Adventure - Wikipedia

Sonic and the Black Knight - Wikipedia

Sonic Symphony - Wikipedia

Alguns lugares da série sonic, Wiki

Sonic The Hedgehog: Awakening (lost build of cancelled Sonic the Hedgehog game; existence unconfirmed; late 2000s) - The Lost Media Wiki

Unpopular opinion:Unleashed is overrated : r/SonicTheHedgehog