Anniversaries/January 13
From Sonic Retro
January 13 (add)
- 1999 — Issue #8 of the Sonic Super Special comic series is released in North America. Issue #147 of Sonic the Comic is released in the United Kingdom.
- 2009 — Sonic Hopping 2 is released for Club Air-Edge compatible phones through Sega's Puyo Puyo! Sega portal in Japan.
- 2010 — Issue #208 of the Sonic the Hedgehog comic series by Archie Comics is released in North America.
- 2016 — Issue #82 of Sonic Universe and Issue #15 of Sonic Super Digest are released in North America.
- 2021 — Issue #36 of the Sonic the Hedgehog comic series by IDW Publishing is released in North America.