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From Sonic Retro
Welcome to Sonic Retro, the largest ad-free collaborative online encyclopedia for all things Sonic the Hedgehog. We currently are working on 7,402 articles and have many more that are requested to be worked on.
While this wiki is designed to help the community by being the most comprehensive collection of Sonic information on the Internet, it's nothing without the community behind it. Anyone who registers an account can edit the wiki, and help to make it the best it can be. As you feel more comfortable with the site, please feel free to make any changes or additions that you feel necessary.
Projects: Sonic Community Hacking Guide | SCHG How-to:Guide | Hidden Content | Game Development | Sonic Physics Guide
We cover everything related to 
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Games, prereleases, and more
From the original Sonic the Hedgehog to Sonic Frontiers and beyond, we focus on where it all began: the video games. We also cover the many game prototypes that have to come to light over the years. But we don't stop there. All things Sonic have a place within, including comics, TV shows, books, music... and Big the Cat.
Artwork archive
Interviews and magazines
Today in History
January 23 (add)
- 2002 — Issue #106 of the Sonic the Hedgehog comic series by Archie Comics is released in North America.
- 2006 — Shadow Shoot is released for i-mode 505i compatible phones though Sega's Sonic Cafe portal in Japan.
- 2008 — True Blue: The Best of Sonic the Hedgehog, a compilation album, is released on CD in Japan.
- 2013 — Issue #48 of Sonic Universe and Sonic Universe Graphic Novel Series Volume 4: Journey to the East are released in North America.
- 2020 — Mario & Sonic at the Olympic Games Tokyo 2020 - Arcade Edition is released in Japanese arcades.
- 2024 — Sonic Adventure and Sonic Adventure 2 are released on Steam in Japan.
