Sonic Returns

Sonic Returns is an upcoming 3D action-adventure platformer video game which is a sequel to the Sonic the Hedgehog reboot.

Plot
Some time after the events of the previous game, Sonic and his friend Miles 'Tails' Powers depart from Angel Island to visit Soleanna, located on the mainland. They arrive just in time for the birthday celebrations of Princess Elise Acorn, their old friend. She is overjoyed to see them again, but the festivities are interrupted by Dr Eggman Robotnik, an old enemy of the trio, who takes over the royal palace. Elise's parents try to escape through an emergency portal, but Robotnik captures them. Sonic, Tails and Elise manage to fall through the portal before it closes.

Transported halfway across the mainland, the three heroes decide to make the journey make to Soleanna to rescue Elise's parents, who are now captives of Robotnik. Robotnik sends a group of robots, known as the E-Series, to recapture the escapees in the course of their quest.