Sonic Adventure

Genre: Adventure, Platform

Sonic Adventure is a platform game in which the player controls six different characters: Sonic the Hedgehog, Miles "Tails" Prower, Knuckles the Echidna, Amy Rose, Big the Cat, and E-102 Gamma. They must stop Doctor Eggman from stealing the seven Chaos Emeralds and feeding them to Chaos, a monster known as "the God of Destruction". The first in the... Read More

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Sonic Adventure is set on Angel Island, an island floating above Earth. The Ancient Echidna Tribe's ruler, Pachacamac, plans for world domination. His daughter Tikal enters a shrine, discovering the Chaos Emeralds and the Master Emerald, a group of mysterious emeralds with unlimited power. She befriends a peaceful entity known as Chaos, the guardian of the emeralds, as well as the Chao. Despite warnings from Tikal, Pachacamac and the tribe attack the shrine, attempting to use the emeralds for their own gain. However, Chaos transforms into Perfect Chaos and kills them. Following Chaos' attack, Tikal seals the entity and herself inside the Master Emerald.

Three thousand years later, Knuckles the Echidna guards the Master Emerald on the floating Angel Island when the evil scientist Doctor Ivo "Eggman" Robotnik shatters the Master Emerald and sets Chaos free. As a result, Angel Island plunges into the sea, causing the Master Emerald's shards and the seven Chaos Emeralds to be scattered. Resolving to search for the shards of the Master Emerald, Knuckles sets off. In the city of Station Square, Sonic the Hedgehog battles Chaos after witnessing an attack by the police. Miles "Tails" Prower tests his Chaos Emerald-powered airplane, only to crash on the beach of Emerald Coast. After Sonic rescues Tails, they go to his workshop in the Mystic Ruins, where they are confronted by Eggman. The mad scientist uses Tails' Emerald to transform Chaos and he reveals his ultimate plan: with the power harnessed from the Emeralds, Chaos will eventually become invincible and destroy Station Square and Eggman will build Robotnikland over the city's ruins. Sonic and Tails resolve to search for the emeralds to prevent Eggman from getting them first, but eventually lose the ones they find to Eggman and Chaos. Eggman escapes in his airship, the Egg Carrier, and shoots down Sonic and Tails' pursuing plane.

Eggman activates E-102 Gamma and fights E-101 Beta during his training. He orders the rest of the E-Series robots to search for Froggy, a frog who has eaten Chaos's tail as well as a Chaos Emerald. Gamma finds Froggy but is chased back to the ship by Froggy's owner Big the Cat. After his crash, Tails finds another emerald and uses it to prepare the Tornado II plane to find Sonic while Sonic lands in Station Square once again. While lamenting her time with Sonic, Amy Rose discovers a Flicky bird in possession of a Chaos Emerald and names him Birdie. However, Eggman, having discovered Birdie's location, dispatches his robot Zero to chase the Flicky down. After Sonic turns down an offer to protect Birdie, Zero captures Amy and Birdie and detains them both on the Egg Carrier, with Sonic and Tails using the Tornado II to follow them on board. Knuckles also boards the aircraft after collecting pieces of the Master Emerald and seeing an image of the Egg Carrier in the emerald.

On board the Egg Carrier, Eggman calls out the E-Series robots for their failure and removes them before stationing Gamma in Amy's cell. However, Gamma witnesses Beta being rebuilt and Amy convinces Gamma that he should not work for Eggman, as he is an enemy. In a confusion of newly discovered emotions, Gamma releases Amy and Birdie. While being chased by Zero, Amy goes to the ship's deck. She meets up with Sonic and Tails, but Eggman appears and steals Birdie's emerald, dispatching Gamma to attack Sonic. Sonic damages Gamma, but Amy intervenes and asks Sonic to spares him. Gamma, understanding that Eggman is an enemy, decides to follow the others. The ship loses altitude and Tails, Amy, and Gamma flee, while Sonic restores the ship to its original form. Sonic is confronted by Chaos, now with six Chaos Emeralds and his tail restored, and defeats it once more before pursuing Eggman. Meanwhile, Big retrieves Froggy from inside Chaos before finding the Tornado II, and Knuckles steals back the six Chaos Emeralds; they both flee from the ship as it crashes.

Upon erasing his master registration, Gamma resolves to track down his brother robots. After freeing the animals inside the robots, he goes to the Egg Carrier and confronts Beta, in his rebuilt form. Gamma defeats him, but the fight also causes Gamma to be destroyed, with Birdie's parents being released from within the two. Returning to the Egg Carrier, Amy reunites Birdie with its family, but she is confronted by Zero after he knocks down the Flicky. Amy defeats the robot and sees Birdie and his family off, vowing to do her best. Elsewhere, Tails chases Eggman and stops him from detonating a missile in the middle of Station Square. Eggman resorts to using the Egg Walker to try and level the city, but is again defeated by Tails. Later, Sonic confronts the mad scientist in his Egg Viper and destroys it.

A day following Eggman's defeats, Knuckles restores the shards of the Master Emerald, but Angel Island collapses into the sea once again when Chaos attacks him and Eggman. Chaos absorbs the 6 Chaos Emeralds and locates the seventh aboard the Tornado II, which crashed after Big used it to escape the Egg Carrier. With all the Chaos Emeralds, Chaos transforms into Perfect Chaos, draining the Chaos Emeralds of their negative energy, and destroys Station Square in a massive flood. The Chaos Emeralds are re-gathered by Tails, Knuckles, Amy, Big, and the pink Flicky that fueled Gamma. They bring the emeralds to Sonic.

Tikal appears, having taken each main character into the past numerous times beforehand, demanding that Chaos must be sealed back in the Master Emerald. Sonic objects, saying that Chaos's heart would still be filled with anger and sadness if he were to be sealed inside the Master Emerald. Instead, with the cheering of his friends and the people of Station Square, Sonic uses the Chaos Emeralds' still-present positive energy to become Super Sonic and face off against Perfect Chaos. Following his defeat, Chaos discovers that the Chao thrive in Station Square, quelling his anger. United with Tikal, Chaos ascends into the heavens and disappears. The game ends with Sonic chasing after a fleeing Eggman.


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