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!

Sonic Adventure 2 makes its return on PC Digital Download with a full cast of playable heroes and villains, exciting two-player competitive modes, Chao Gardens, and more than 30 action-packed stages, all remastered in HD!

• 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!

To activate the game, you need a Steam Account

• Login or register at the official
  Steam Website and download Steam client
• Install and start application, login with your Account name and Password
• Click the Games Menu.
• Choose Activate a Product on Steam...
• Follow the onscreen instructions to complete the process
• After the successful code verification, go to the "MY GAMES" tab and start downloading.