Experience two unique adventures featuring both long-time heroes and new and returning villains as they battle for the fate of the world!
User reviews: Very Positive (1,750 reviews)
Release Date: Nov 19, 2012

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Buy Sonic Hits Collection

Includes 17 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 Spinball™, Sonic the Hedgehog, Sonic the Hedgehog 2, Sonic the Hedgehog 4 - Episode I, Sonic the Hedgehog 4 - Episode II

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Recommended By Curators

"Another Sonic classic now on Steam. It's a good fun game, and the Chao Garden is literally the best part of the game. "

About This Game

In the fight between heroes and villains, will you choose to save the world or conquer it?


The hunt for the Chaos Emeralds is on and battle lines have been drawn between Hero and Dark. Experience two unique adventures featuring both long-time heroes and new and returning villains as they battle for the fate of the world!


Save the day as heroes Sonic, Tails, and Knuckles or cause chaos as Shadow, Dr. Eggman, and Rouge, utilizing each of their unique skills and abilities!


Take a break from the main story and challenge a friend in two-player across kart racing and other competitive modes!


Raise your own pet Chao, improve their statistics, and compete with them in unique mini-games!


Challenge yourself to complete over 150 unique missions across 30 action filled stages!

System Requirements

    Minimum:
    • OS:Windows XP/Vista/Win7
    • Processor:Pentium 4 @ 3.2 GHz/Athlon 64 3000+ or Equivalent & above
    • Memory:1 GB RAM
    • Graphics:256 MB (NVIDIA GeForce 8600/AT Radeon HD3650) & above
    • DirectX®:9.0c
    • Hard Drive:3 GB HD space
    • Sound:DirectX Compatible
    Recommended:
    • OS:Windows 7
    • Processor:Intel Core 2 DUO @ 2.4 GHz/Athlon 64 X2 4200+ & above
    • Memory:2 GB RAM
    • Graphics:512 MB (NVIDIA GeForce GTS250/ATI Radeon HD 4850) & above
    • DirectX®:11
    • Hard Drive:6 GB HD space
    • Sound:DirectX Compatible
Helpful customer reviews
55 of 62 people (89%) found this review helpful
1 person found this review funny
71.4 hrs on record
Posted: December 21, 2014
>Features old Knuckles
100/10
Was this review helpful? Yes No Funny
44 of 48 people (92%) found this review helpful
1 person found this review funny
80.7 hrs on record
Posted: December 31, 2014
Best Chao world EVER!!
Was this review helpful? Yes No Funny
26 of 27 people (96%) found this review helpful
5.1 hrs on record
Posted: February 4
If there was ever an enjoyable Sonic game that was ported over to the PC it would be this game. But while the other Sonic Adventure was available for the PC at one point (2 disc version) this one came a little too late. However for those HD purists this game supports HD resolutions and fast load times. Just make sure you have an XBOX 360 Controller as this game is way too hard with the keyboard. For those people who have integrated Intel HD cards that supports pixel and vertex shading, you may have a hard time with the beginning level of the game where a certain portion of the game does not render propery (it starts with a truck going downhill) It won't happen on non intel cards however. Worth it to check it out though if it's on a sale. Being I was a huge Sonic fan however I did buy it the day it was released as this was the one that I wanted when it was finally released over the other Sonic games.
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27 of 32 people (84%) found this review helpful
1 person found this review funny
12.1 hrs on record
Posted: January 4
Sonic in his prime.

You hear about Sonic games sucking horribly now-a-days. Let me tell you. THIS ISN'T LIKE CURRENT SONC
This is the best 3D Sonic game out there, right there next to Sonic Adventure 1/dx.
It's speedy, fun, and has good replay value.
It's not unpolished and crappy like Sonic Boom and it's not glitchy and broken like Sonic 06.
It's what Sonic should be.
Was this review helpful? Yes No Funny
15 of 16 people (94%) found this review helpful
1 person found this review funny
89.2 hrs on record
Posted: March 20
Your childhood...now in HD!
Was this review helpful? Yes No Funny
15 of 16 people (94%) found this review helpful
1 person found this review funny
6.9 hrs on record
Posted: January 13
sonic adventure 2 its fun game and good time we have in sonic game and i really love chao in game so awsome. the so cute chao.
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16 of 19 people (84%) found this review helpful
19.5 hrs on record
Posted: February 2
Another amazing Sega game, and arguably their final good one of the Sonic franchise. It is just as memorable and fun as the original Sonic Adventure game, but lacks the 'small' amount of free roam it used to have. You select from two teams: Hero and Dark, from which you play as 3 characters in a sequence of missions until the end-game and final boss, which I won't talk about as I wouldn't want to spoil it for anyone.

I played this game when it came out on the Dreamcast, just like Sonic Adventure, and was never disappointed. It as another one of those games I could play day in and day out and holds many memories for me. You are assigned a grade for each level, E, D, C, B and A - A being the best. There are 5 stages to each level with a different objective so that you won't be left with nothing to do. Unless your a pro like me of course;) Ahem, anyways...

Once all stages are complete with Hero and Dark stories, you unlock a final story.

Now let's not forget why we all really play any of the Sonic Adventure games...CHAO!
This game features 3 Chao gardens. A Neutral, Hero and Dark. Hero and Dark gardens can only be unlocked when you have raised a Chao with the respective sided characters. The Chao land features a school, where you can buy items at the Black Market, put your Chao into classes to be taught dances, drawing, instruments and other nice abilities or go to the Fortune Teller to get a badass name. Many hours will be spent here, just like in the previous game. You can send your Chao into races as always to win medals and items for your Chao and also put them into karate matches if you have the DLC.

All in all, it's an amazing game and plays smoother than Sonic Adventure did originally, however both amazing games!

10/10.
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13 of 14 people (93%) found this review helpful
1 person found this review funny
45.9 hrs on record
Posted: March 16
Me, looking through Steam games-
Me: That Sonic game again, of all places...
Sa2B: I found you, buyer!
Me: Buyer? I think your the bought game around here.
Me: Your thinking I'll buy you? Ha!
Me: Your not even good enough to be bought by other companies!
Sa2B: I'LL MAKE YOU EAT THOSE WORDS!!!

...And that's how I bought my copy of Chao Simulator.
Was this review helpful? Yes No Funny
11 of 11 people (100%) found this review helpful
2 people found this review funny
11.4 hrs on record
Posted: January 16
Hacked my chaos and actually won the karate tournament 11/10
Was this review helpful? Yes No Funny
11 of 11 people (100%) found this review helpful
1 person found this review funny
155.3 hrs on record
Posted: February 4
i watched a chao die twice and become god.
10/10
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12 of 13 people (92%) found this review helpful
2 people found this review funny
15.0 hrs on record
Posted: December 23, 2014
This is a powerful game about the strength and courage of two hedgehogs as they endure discrimination and racism throughout their lives, as even the military try to bring them down because "all hedgehogs look the same to us", but they also have to endure each other as they foster an uneasy friendship. In the end, it is a game about the triumph of love and hope in a world of gruelling odds, even if love comes from a psycho 12-year old stalker, or a giant pair of flying b00bs.

Oh and gotta go fast
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11 of 12 people (92%) found this review helpful
1 person found this review funny
17.8 hrs on record
Posted: December 9, 2014
The final boss is An ugly lizard with a satalite up his ♥♥♥♥. 10/10
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11 of 13 people (85%) found this review helpful
135.4 hrs on record
Posted: February 12
This is one of the best 3D sonic games ever.

Good:
-runs at smooth 60fps
-great soundtrack
-Shadow's stages are perfect
-Good story (and alot darker than other sonic games)
-Knuckles/Rouge levels are interesting(but sometimes really tedious)
-CHAO GARDEN!
-Tons of replay value!

Bad:
-You need battle dlc to get chao karate...
-...and to unlock all emblems and achivements
-sometimes i can't hear what are characters saying in cutscenes because music is too loud!
-Crazy Gadget(most annoying and frustrating stage i have ever played)

Overall: BUY IT! 9/10








Another day brings another adventure. But for now... rest easy,heroes. ;_;
Was this review helpful? Yes No Funny
6 of 6 people (100%) found this review helpful
1 person found this review funny
18.6 hrs on record
Posted: March 12
Like nintendogs, but with more chao and less neglect.
Was this review helpful? Yes No Funny
6 of 6 people (100%) found this review helpful
1 person found this review funny
61.7 hrs on record
Posted: April 5
This is the best Chao Adventure 2 feat. Sonic and friends ever. 10/10
Was this review helpful? Yes No Funny
8 of 10 people (80%) found this review helpful
1 person found this review funny
111.5 hrs on record
Posted: January 15
what the ♥♥♥♥ is wrong with you get this game
Was this review helpful? Yes No Funny
4 of 4 people (100%) found this review helpful
1 person found this review funny
0.3 hrs on record
Posted: January 31
2/10 there are two sonics in the logo
Was this review helpful? Yes No Funny
5 of 7 people (71%) found this review helpful
1 person found this review funny
96.3 hrs on record
Posted: February 25
Chased by a crazy person with a Giant Truck.

10/? Would Bang again.
Was this review helpful? Yes No Funny
2 of 2 people (100%) found this review helpful
1 person found this review funny
62.9 hrs on record
Posted: May 21
Really, really fun, addicting game. However, it can get pretty frustrating at times, the voice acting is far from perfect, and the camera is screwy. It's definitely an improvement from the original Sonic Adventure though!
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2 of 2 people (100%) found this review helpful
24.3 hrs on record
Posted: December 26, 2014
Loved taking care of the chao's as a kid.
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