We strongly recommend that you buy the game so you can support the developershttps://store.steampowered.com/app/213610/Sonic_Adventure_2/
WHAT IS SONIC ADVENTURE 2
Experience two unique adventures featuring both long-time heroes and new and returning villains as they battle for the fate of the world!
HOW DO I INSTALL SONIC ADVENTURE 2 ?
1. Click the green UploadHub button and you should be redirected to the Download.
2. Once SONIC ADVENTURE 2 is finished downloading, extract the .rar file. (You will need WinRar, you can get it here
3. Once its extracted, go into the games folder and right click the game and run it as administrator and Enjoy!