Eggman's voice is then heard from a glowing exit, threatening them. Later, inside a Boss Gate, Modern and Classic Sonic see each other through a piece of glass, which they mistake for a mirror. Recognizing that they had been there before, they start to wonder what is going on. Later, after Mushroom Hill is restored as well, Modern Sonic and Modern Tails meet once again. Classic Sonic heads to Casino Night as well, leaving a confused Modern Tails behind.Īfter Classic and Modern Sonic (who are unaware of each other) restore Casino Night, Modern Sonic meets Modern Tails and tells him about the déjà vu he gets from visiting these places, with Modern Tails concurring with him. Then, Classic Sonic runs through, whom Tails mistakes for Modern Sonic. Modern Sonic decides to check them out while Modern Tails stays behind. Noticing the place to be awfully familiar, Modern Sonic and Modern Tails see Casino Night and Mushroom Hill in the distance. After running through the area, it is restored, and Modern Tails, who had been turned into a statue, is restored as well. After looking around, he finds Green Hill in a white and lifeless state. Suddenly however, rumbling occurs and a Time Hole appears, sucking Modern Tails into it. However, Sonic arrives early, surprising Tails, who asks him to wait. Meanwhile, in the present, Modern Tails is preparing a surprise party to celebrate Modern Sonic's birthday. The Time Eater attacking Modern Sonic and Tails. A Time Hole then appears and the screen fades to white. However, he stops after hearing some rumbling noises. The game opens with the distant past Classic Sonic is running through Green Hill.

Spoiler warning: Plot, ending details or any kind of information follow.

Model studdering in sonic generations