Includes: Base game Sonic Origins: Premium Fun Pack Sonic Origins: Classic Music Pack Sonic Origins: Plus Content Pack The Blue Blur is back with an expanded multi-game collection of classic Sonic the Hedgehog games - Sonic Origins Plus! Sonic Origins Plus features the four beloved classic titles in Sonic Origins – Sonic the Hedgehog, Sonic 2, Sonic 3 & Knuckles, and Sonic CD with remastered visuals, bonus characters, added modes, challenges, behind-the-scenes content and more, while adding significant improvements. This bundle also includes 12 Sonic Game Gear titles, previously released add-on content, playable Knuckles in Sonic CD, and for the first time ever, Amy Rose as a playable character in Sonic the Hedgehog 1, 2, Sonic 3 & Knuckles, and Sonic CD! With more content than ever before, this is the definitive way to experience these classic games!

Go to: http://store.steampowered.com/ and download STEAM client Click "Install Steam" (from the upper right corner) Install and start application, login with your Account name and Password (create one if you don't have). Please follow these instructions to activate a new retail purchase on Steam: Launch Steam and log into your Steam account. Click the Games Menu. Choose Activate a Product on Steam... Follow the onscreen instructions to complete the process. After successful code verification go to the "LIBRARY" tab and start downloading.