They destroyed Time Eater, temporarily trapping the Eggmans in limbo. Sonic and Classic Sonic turned into their Super forms to fight Time Eater, with Eggman and Classic Eggman riding in his cockpit. In the Last Story, Super Sonic fought alongside Super Shadow and Super Silver against Solaris.ДЄt the beginning of the game, Sonic transformed into Super Sonic to fight Eggman, who tricked him and used the Chaos Emeralds' power to power the Eclipse Cannon and split the earth apart.ДЇor the final phase of the fight with Dark Gaia, Sonic transformed into Super Sonic and defeated him by smashing through his eyes. Super Sonic and Burning Blaze fought against Eggman and Eggman Nega for the Last Story.ДЄgain, Super Sonic and Burning Blaze defeated Eggman and Eggman Nega for the Last Story. In the end, the three defeated Metal Overlord. In the Last Story, Super Sonic fought Metal Overlord, with Tails and Knuckles fighting alongside him (also powered up, though not technically transformed, by the Chaos Emeralds). Again, the player must collect all the Chaos Emeralds for this. When Gemerl transformed into Ultimate Gemerl, Super Sonic and Eggman fought together to defeat him. Again, this only happens if Sonic collects all the Chaos Emeralds. When Eggman kidnapped Vanilla, Super Sonic defeated him in the Extra Zone. This only happens if Sonic collects all the Chaos Emeralds. When Eggman went to the moon, Super Sonic followed him there and defeated him. After Shadow killed Finalhazard, he and Sonic teleported the ARK to its original position. When Finalhazard set the ARK to crash into Earth, Sonic and Shadow transformed into their Super forms to fight him in space. When Chaos became Perfect Chaos in the Last Story, Sonic used the Chaos Emeralds to transform into Super Sonic and defeat Chaos, neutralizing the evil in him. If Sonic collects all the Chaos Emeralds, not only can he transform into Super Sonic in game, but after destroying the Death Egg, Sonic can enter the Doomsday Zone as Super Sonic and fight Eggman again. Sonic can still collect the Chaos Emeralds and transform in this game. Super Sonic makes his first unavoidable appearance in this game when he flies to Angel Island, but loses the transformation when he runs into Knuckles. If Sonic collects all the Chaos Emeralds, he can transform into Super Sonic.

Metal overlord vs perfect chaos