An ancient evil lurking within the Master Emerald has been unleashed from its slumber by the devious Dr. Eggman and is on the verge of becoming the ultimate monster using the 7 Chaos Emeralds. Only Sonic and his friends are heroic enough to put a stop to Dr. Eggman and his evil minions.
User reviews:
Very Positive (47 reviews) - 82% of the 47 user reviews in the last 30 days are positive.
Mostly Positive (1,746 reviews) - 79% of the 1,746 user reviews for this game are positive.
Release Date: Mar 4, 2011

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Packages that include this game

Buy Dreamcast Collection

Includes 4 items: Crazy Taxi, SEGA Bass Fishing, Sonic Adventure DX, Space Channel 5: Part 2

Buy Sonic Games Collection

Includes 18 items: Dr. Robotnik’s Mean Bean Machine™, Sonic & All-Stars Racing Transformed, Sonic & SEGA All-Stars Racing, Sonic 3 and Knuckles, Sonic 3D Blast™, Sonic Adventure 2, SONIC ADVENTURE 2: BATTLE, Sonic Adventure DX, Sonic and All-Stars Racing Transformed: Metal Sonic & Outrun DLC, Sonic CD, Sonic Generations, Sonic Generations - Casino Nights DLC, Sonic Lost World, Sonic Spinball™, Sonic the Hedgehog, Sonic the Hedgehog 2, Sonic the Hedgehog 4 - Episode I, Sonic the Hedgehog 4 - Episode II


About This Game

An ancient evil lurking within the Master Emerald has been unleashed from its slumber by the devious Dr. Eggman and is on the verge of becoming the ultimate monster using the 7 Chaos Emeralds. Only Sonic and his friends are heroic enough to put a stop to Dr. Eggman and his evil minions. Hit the ground running in this classic epic adventure in a race against time to save the world!


Six Characters, Six Adventures
  • Play through as one of six different characters, including Sonic, Tails, Knuckles, and Amy, each with their own unique adventure and story.
Breed a Pet Chao
  • Breed and nurture your very own pet Chao in the Chao Garden minigame. Then compete against other Chao in a battle for ultimate Chao supremacy.

System Requirements

    • OS: Windows® XP
    • Processor: 3.0 GHz Intel Pentium 4
    • Memory: 2GB RAM
    • Graphics: DirectX 9.0c compatible, NVIDIA GeForce 7300 series, ATI Radeon™ X1600 Video Card with 256MB RAM
    • DirectX®: DirectX 9.0c
    • Hard Drive: 1.8GB Hard Drive space
    • Sound: DirectX 9.0c compatible Sound Card
    • OS: Windows® 7
    • Processor: 2.0 GHz Intel Core 2 Duo
    • Memory: 2GB RAM or more
    • Graphics: DirectX 9.0c/Shader3.0 compatible, NVIDIA GeForce 8800 series or higher, ATI Radeon™ X1900 Video Card with 512MB RAM
    • DirectX®: DirectX 9.0c
    • Hard Drive: 4GB Hard Drive space
    • Sound: DirectX 9.0c compatible Sound Card
Customer reviews
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Very Positive (47 reviews)
Mostly Positive (1,746 reviews)
Recently Posted
18.8 hrs
Posted: August 30
My favorite Sonic game aside from Generations. Controls much better than its sequel.
Helpful? Yes No Funny
Old Man McGucket
19.7 hrs
Posted: August 29
The blue blur on steam lit af gameplay pls buy 10 of them
Helpful? Yes No Funny
3.2 hrs
Posted: August 28
this is one of the best games i have ever played not only is it the first fully 3d sonic title it was a classic in my opinion better than crash bandicoot and super mario 64 pls dont kill me. I remember selling my dreamcast a few weeks ago because i live in the uk where sega didnt port it to 50hz right so i sold it and decided to buy this remake and i have to tell you this is a very good port my only problem was the blue borders around the screen but that is nothing that mods cant fix. Very good game 10/10 a true classic.
Helpful? Yes No Funny
2.3 hrs
Posted: August 28
i got it because of the nolstilgia, stayed for the gameplay
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snaz ♥
4.4 hrs
Posted: August 27
gud for speedrunning
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Robin Adair
1.7 hrs
Posted: August 27
This game is literal garbage, even for the gamecube games. I bought this game as a joke. I don't think that it's the worst sonic game, (because that's a pretty hard title to get) but it still feels like there was no quality control involved what so ever. It did amuse me as a child though.
Helpful? Yes No Funny
8.8 hrs
Posted: August 27
7/7 chaos emralds
Helpful? Yes No Funny
3.4 hrs
Posted: August 25
yes i know i only played emerald coast and the first mini boss but it's still great!. i give it 7/10 it's still a tiny bit laggy but my computer can handle it just fine since it's windows 10 and it says it works for 7 and XP, ones i complete sonic adventure i WILL get the second one!
Helpful? Yes No Funny
9.9 hrs
Posted: August 24
Although not aged well in some areas. Sonic Adventure is still an enjoyable experience and will always have a special place in my heart.
Helpful? Yes No Funny
You can just call me sexy ;D
37.5 hrs
Posted: August 24
great nostalgia trip for people who played this game in their childhood as well as also bringing up the nightmare's you had as a kid of having to play through big the cats story but other than that it's all good

not sure whether or not to recommend it to people who never played it leaning more towards no since if you're not playing for nostalgia reasons sonic generations is probably the better choice
Helpful? Yes No Funny
Most Helpful Reviews  In the past 30 days
13 of 14 people (93%) found this review helpful
7.0 hrs on record
Posted: August 7
Great game, albeit just a little bit dated. Still an absolute classic, and definitely my favorite Sonic game of all time.

I HIGHLY recommend the BetterSADX mod, as the vanilla port of this game is garbage (4:3 ratio, lack of resolution upscaling, awful controller support, etc). This mod fixes all of these issues and makes this version the best port yet.
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1 of 1 people (100%) found this review helpful
6.8 hrs on record
Posted: August 11
Sonic Adventure DX. A remastered version of the Dreamcast platformer/adventure game about a blue hedgehog and friends.

Another new day awakens a new adventure after Sonic fights a strange liquid being in the city and witnesses his friend Tails crash-landing on the beach. Alongside others, you venture around Station Square, Mystic Ruins, and the Egg Carrier as you puzzle together what exactly is happening: what is Chaos and Tikal, why has Angel Island fallen from the sky, what is Eggman's newest plot?

    Each character has a different yet unique style of gameplay:
  • Sonic's action stages are the classic dash to the goal
  • Tails' action stages are similar to Sonic's except that it's a race
  • Knuckles' action stages are a treasure hunt for the pieces to the Master Emerald
  • Amy's action stages are runaways from one of Eggman's creations Zero
  • Big's action stages are your typical fishing simulator, the goal being to fish for Froggy
  • Gamma's action stages are to "save" his brothers from becoming scrap metal like elder Beta

The Good
Being the first game I've ever played from the famous franchise, Sonic Adventure DX is an extremely enlightening and fun-filled game I had an experience in. Though the story is basic, the stages are delightfully crafted for each character, the cutscenes are always amusing to view, and the soundtrack is terrifically done. Throughout the game, the upgrades provide new and interesting ways to navigate the maps. There's also a chao garden, where you can manage little babies, but I never bothered with it.

The Bad
For Big's action stages in particular, his stages tend to take a lot of time, patience, and simply knowing how to bait in fishes (and Froggy). If you lack any of these, it can be a little hard to get into the game and progress further in the game. Though his character is hilarious, his levels tend to last longer than necessary.

Conclusing Comments
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2 of 3 people (67%) found this review helpful
7.1 hrs on record
Posted: August 11
I just hate myself for loving Sonic Adventure.

Basically, the game is broken, it have some gameplay problems, seems like Sonic should never be in 3D. But is a really nice try anyway.

+ the levels are amazing, the level design here is 10/10;
+ the soundtrack is just wonderful, Station Square theme sounds like heaven;
+ the story is another 'save-the-world' cliché, at least a good one;

- the controls are good, but the gameplay overall is clunky
- the graphics are ok, but Sonic looks like a vaseline addict
- the camera controls are bad, this isn't a Dreamcast game anymore

Overall, you really should try this one if you like the Sonic good old gems. You know, for the Adventure.
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2 of 3 people (67%) found this review helpful
10.8 hrs on record
Posted: August 23
It's just another sonic game. What would be wrong with it?

This game has more than just a story.
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Most Helpful Reviews  Overall
234 of 256 people (91%) found this review helpful
80 people found this review funny
7.7 hrs on record
Posted: November 22, 2014
When I was young, I remember one day I was playing with my lego, my dad came home with a gift for me. It was a disc version of Sonic Adventure DX. I had only played Sonic The Hedgehog on my Sega Mega Drive. I was so excited to play this I immediately installed it on our family computer. I had many fun hours playing this game. But on one cold raining day, I woke up ready to play some more, for I was almost finshed. But as I walked into the office, I saw the disc smashed to pieces on the floor. I ran to my dad in tears. We never found out how it broke. For many weeks I would cry myself to sleep. My dad tryed to find anothe copy. But ever time he went to the shops, it would end in failure. Many years passed and I now play other games to hide my sadness. But as I'm browsing the steam store, I see a game called "Sonic Adventure DX" It was like Jesus himself kissed me on the face. I then bought the game and my childhood was brought back from the dead. This game was my childhood and when it broke, it took my childhood. I feel like a happy little boy again.
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157 of 196 people (80%) found this review helpful
163 people found this review funny
218.8 hrs on record
Posted: August 11, 2015
Only played it a small bit... It was good.
Was this review helpful? Yes No Funny
70 of 73 people (96%) found this review helpful
1 person found this review funny
35.4 hrs on record
Posted: September 2, 2014
So I originally got this game when I was 3 or 4 for the SEGA Dreamcast, and I played the ♥♥♥♥ out of it for years, probably beat the game at least 30 times and loved every second of it, even Big The Cat. There is a fun variety of gameplay from each character and each story is unique, and its cool how they all interlock. Gamma's and Sonic's stories are the best in my opinion. Also, the soundtrack is AMAZING as you would expect from a sonic game. Fully recomended.
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101 of 121 people (83%) found this review helpful
17.3 hrs on record
Posted: December 7, 2013
...for the retro gamers.

The game got released in 2003, and the original on Dreamcast in 1999. So consider this game old.
Now it all depends of your age, if you are between 12-17 years old, I don't recommend you this unless as said on the title, if you are a retro gamer because your first game on a console was Call of Duty MW2 and when Sonic got released you were 3 years old so it explains the criticisms of the other useless reviews.

The game itself was a huge revolution and was one of the best Dreamcast games. And as every Sonic game, the camera is annoying, the voice acting and the motion capture are not the best points of it but, does a glitched camera and a bad voice acting ruins the game ? If it was bad acting in GTA I would consider.

Despite that, the game is pretty fun, various missions and mini games are available to extend the time of play though the game is quite short (3 hours to end the main Sonic story, but you have 7 chars stories, each is different and more or less shorter. With that you can do trials, 3 per level with each char + mini games and 60 missions throughout the main maps using all characters).
Finally, a 360 controller is highly recommended, or try to use x360e. But if you can buy this game you can buy a controller.

- This game is definitely one of the best games I ever played in my entire life. I can play it over and over remembering that when I played this game for the first time, I was 11 years old. I'm now 21. :D
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55 of 58 people (95%) found this review helpful
119.6 hrs on record
Posted: February 19, 2014
Sonic Adventure is a single-player 3D action-platforming game from 10 years ago, and is the first 3D main Sonic game in franchise, not including spin-offs. (Sonic R!) As a result of such major step, it changed Sonic franchise somewhat, from gameplay to style and world. You take control of 6 characters with varying gameplay styles to them, from simply beating the level to, gasp, fishing. It also includes a virtual pet thing (A-Life!) in form of Chao.

Now, since this is old game and most people are familiar with it, let's talk about this Steam port.

First, ports history. First came Sonic Adventure, which was a launch title for a Dreamcast. After few years later GameCube players got to enjoy Sonic Adventure: Directors Cut (SADX) which enchanced the game and added missions mode along with unlockable ports of 8-bit Sonic titles. It was then ported to the PC in 2003 year with almost no change. Now, in the 2010 it got rereleased to Xbox 360 and PS3 downlodable services and later it came to PC once agian, onto Steam, as part of Dreamcast Collection. So, how does 2010 Steam version compares?

Xbox 360 and PS3 release actually worked like original Sonic Adventure (Didn't check if that was like split DX or actual original, sorry), with DLC available that would upgrade it up to DX edition, lacking 8-bit sonic unlockables though. For Steam version, it's already build-in into the game, so once you purchase this game, you get your whole 2010 DX edition. BUT the achievements stayed exclusive to console versions only. Also, analog control seems to be translated to digital controls just fine, though there are one or so spots where you will have to adjuct camera around and crawl slowly so not to fall off.
Main competention there comes with comparison to older 2003 PC edition. From technical standoint, the new game release should work better with new hardware, even though I must say that both of them seemed to work fine on Windows 8. I can't notice it myself, but I read that 2010 port has it running at 60 FPS compared to 2003 one 50 FPS. In Steam edition they tried to keep aspect ratio true to how it looked on Dreamcast/GameCube, and as a you will see it being played in a window that doesn't take up your whole (wide) screen, with remaining parts of it being covered with blue-purple pattern... I think that I like staying true to original, with pattern of frame not trying to catch your eyes with colorful art or anything. If you want game to take up whole widescreen by stretching, go with 2003.
Steam release also has this glitch, due to which your configuration simply will not be saved! To make it save, you will have to go and manually mess with your computer's registry (you can read more in Steam forum of the game). I can guess that Steam doesn't allow games to mess with user's computer registry, since I read that retail copies work just fine. Why does it even need registry to work? ...Well, I can guess that it was mostly based off 2003 PC port, from back when most console ports were weird and had no idea how gaming works on computers.
A little thing, Steam SA has only Player 1 controls working... No, Sonic Adventure is not exactly 2-Player game, but there was little bonus that the second player could control Tails on screen, at Sonic's gameplay. Can't do it anymore.
Even though it's based off older PC port, structure of files seemed to change, meaning that programs that worked for 2003 edition, as well as any mods, will not work on this one.

Oh, and finally, in-game changes compared to older title... Well, it's actually pretty much same. Almost. For there is rather big change - all of unlockable Game Gear Sonic games got cut. Yep, that means that the only reason to collect emblems now is Metal Sonic skin that you get for all of them. If you already played 8-bit Sonic titles or actually own real things, then you may not care about this, but otherwise it heavily points at 2003 version as a better one. Why have they done this, I don't know, since you there are no 8-bit Sonics on Steam on sale. Well, maybe only in some kind of collection on XBox 360 and PS3.
Oh, and Chao. Should be same, but I heard that 2010 version changed something about breeding, that not every color combination is possible. Sure thing transferring chao is not supported in PC versions either. And I don't know how it was on 2003, but very often you will experience polygon flickering in Chao Gardens, biggest offender to me being a wearable Golden Pot object.

Allright, that's all for differences. Now, game by itself...
As a launch game for Dreamcast and it was the first major 3D game of Sonic... That alone meant two things: how rushed it will be and how possibly it may change the face of Sonic (not literally, even if some fans are complaining about green eyes). Now, it did had a lot of changes in a way it worked. Most importanly, physics were simplicifed compared to 2D masterpieces, and as a result it mostly became a game about usual platforming and speed. Loop-de-loops used something what some say as "scripted", in that Sonic is "glued" to invinsible path. (And glued badly!). Hell, if in older 2D titles curling onto ball on top of them would give you a speed boost, in 3D Sonic games it tend to slow you down, with possiblity of falling through. Thankfully, the platforming was solid and still allows it to view as a great game, with varied and fun levels design.

By the way, this time around game refused to follow the classic arcade system. Instead it has you going "adventuring!" on the open adventures zones, doing some small stuff to open the entrance to action zones. The adventure zones lets you beat action zones that were already done, and you are able to listen to NPCs lines, which aren't mandatory, but some may enjoy how the life of few people go over the course of the game. You find upgrades there too, some are mandatory, others are not. Action zone themselves are made of only single level and has you accomplishing goals that depend on what character you are currently playing as. Dissapointly, there are only few bosses and they are spread over the game unevenly.
Here is the list of character you get to play as:
-Sonic The Hedgehog. Fastest one, his goal is simply to get to the end of the level. Able to spindash to roll fast and do homing attack at the enemies.
-Tails Miles Brower (cutest fox around). His goal is to get to the end of level faster than Sonic. Able to fly for short time by spinning two tails.
-Knuckles the Echidna. His goal is to find 3 emerald pieces mostly using his sense and occasional hint. Able to glide and attack with his knuckles.
-Amy Rose. Her goal is to grab balloon at the end of level, avoiding a (pathetic) understroyable robot that chases her. Can do hammer jump and hammer attack. Somewhat clunky, it even feels that she can run faster by moving diagonally.
-Big The Cat. Slowest one around (best ladder climber btw), his goal is to catch Froggy... Not with gloved hands, no. With his fishing skills. Most random gameplay style in whole game, and getting A-Rank on trials is a living hell.
-E-102 Gamma. His goal is to make it to the end of level under time pressure. Able to shoot multiple targets, that gives him bonus time.
You are going to travel through as many as overall 11 of varied and fun levels, from beaches and casino to ancient temples and assault on flying ship-fortress "Egg Carrier". I must say that each character has his own set of levels out of all 11, and most often they have their own exclusive parts in action zones. And each of zones come with their own varied music tracks, which make use of good amount of styles, momerable and are joy to listen, as always.

The game was horribly rushed as well. I must say that even a casual gamer would fall through the floor at least once. Comes with unfriendly camera, that hates it when you do something that developers don't want you to (tip: to explore levels)

Damn I ran out of space for review
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61 of 71 people (86%) found this review helpful
8 people found this review funny
54.9 hrs on record
Posted: October 23, 2015
+StoryLine and Levels
+Chao garden

-Camera ViewModel
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