Yet again Sonic and friends find themselves wrapped up in the schemes of Dr. Robotnik. This time he plans to exploit the power of Chaos, a malevolent being that feeds upon the power of the Chaos Emeralds. In their own way, five heroes will do what they can to save Station Square and, perhaps, the entire world.

The player can select from which character to play after meeting them with Sonic, and each has its own unique version of each level. Sonic's levels involve racing through a level as quickly as possible, destroying any robots along the way. Tails can hover over distances, and his levels are similar to Sonic's except that he must beat an opponent to the finish line. Amy can't charge up ramps or run as quickly as Sonic and Tails, but she does have a giant hammer she can break obstacles with. The goal of her levels is to avoid being captured by a robot sent after her by Dr. Robotnik. E102 Gamma is a slow, difficult to maneuver robot, but it has guns and missiles that can lock on to several targets at once, chaining together attacks and earning a higher score and more time on the clock. The goal of its levels is to reach a boss enemy and destroy it before time runs out. The final character is Big the Cat, a fisherman searching for his lost frog. Big's levels are almost entirely devoid of action or fighting; he just fishes. Each character can find items that increase their abilities as the story progresses, such as a ring for Sonic that lets him home along lines of rings, or improved lures for Big. A final chapter wrapping up the story is unlocked after all other characters have been completed.

Additionally, each of the characters can visit the Chao garden where they can raise baby Chaos. By petting, feeding, and showing animals found in levels to the Chaos they can grow stronger, and optionally be put into races against other Chaos. As well each level in the game has additional objectives that can be completed to acquire extra emblems, although the emblems don't do anything in this version of the game. Finally, at one time it was possible to go online and download additional levels and bonuses in the game, such as a Christmas theme for Station Square and a level sponsored by AT&T, but since SegaNet shut down this is no longer possible.

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Screenshots

Sonic Adventure Dreamcast High in the Air

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Promo Images

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Alternate Titles

"索尼克大冒险" -- Chinese spelling (simplified)
"Sonic Adventure International" -- Updated Edition title
"ソニック　アドベンチャー" -- Japanese spelling

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Part of the Following Groups

User Reviews

Sonic's Glorious Return!	Dreamcast	Classic Nigel (150)
Simply an amazing "killer app".	Dreamcast	A O (74)
The First Adventure ... Begins	Dreamcast	Rouge (7)
Without a doubt, the best game I ever played!	Dreamcast	M.Allen (88)
The game that introduced me to the Sonic world	Dreamcast	BlueWind SSK (30)
Could have been great, but...	Dreamcast	optrirominiluikus (118)
The best Sonic game since S&K.	Dreamcast	Gary Smith (65)
A classical title, that I will always remember.	Dreamcast	Kluke (8)

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Critic Reviews

VicioJuegos.com / uVeJuegos.com	Dreamcast	Mar 17, 2006	92 out of 100	92
GameSpot	Dreamcast	Dec 31, 1998	9.2 out of 10	92
Planet Dreamcast	Dreamcast	Oct 03, 1999	9 out of 10	90
neXGam	Dreamcast	1999	9 out of 10	90
Meristation	Dreamcast	Sep 17, 1999	9 out of 10	90
Defunct Games	Dreamcast	Dec 12, 2004	80 out of 100	80
Xboxygen	Xbox 360	Sep 30, 2010		80
Softpedia	Xbox 360	Apr 01, 2011	7 out of 10	70
PlayStation Official Magazine - UK	PlayStation 3	Dec, 2010	4 out of 10	40
IGN	PlayStation 3	Sep 14, 2010	3.5 out of 10	35

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Forums

Topic	# Posts	Last Post
PS3 / Xbox 360 versions	3	Freeman (65660) Apr 03, 2018

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Trivia

At the Sonic Adventure conference in 1998, pamphlets were passed out advertising it. One of the pictures showed a screenshot from the first Sky Chase minigame, which included a dragon attacking the Tornado. This dragon never made it into Sky Chase (nor anywhere else) in the final game. The dragon did in fact make it into another Sonic game. In 2003 it was used as the final boss for "Sonic Heroes".

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