Anniversaries/April 25
From Sonic Retro
April 25 (add)
- 2011 — Sonic Jump is released for Android devices through Sega's Puyo Puyo! Sega portal.
- 2012 — Sonic Free Riders Original Soundtrack: Break Free is released for the Mora streaming platform in Japan. Sonic Select Book Five: Sonic Kids, a trade paperback, and Issue #3 of Sonic Super Special Magazine are released in North America.
- 2013 — Sonic Athletics opens at Sega's Tokyo Joypolis in Japan.
- 2015 — "Let's Play Musical Friends", the 23rd episode of Sonic Boom, airs in North America.
- 2018 — Issue #4 of the Sonic the Hedgehog comic series by IDW Publishing is released in North America.
- 2019 — "Eyes on the Prize", the second episode of Team Sonic Racing Overdrive, is released on YouTube.
- 2023 — The Japanese Language version Sonic X Complete Series, a Blu-ray released by Discotek Media, is released in North America.