For six months, the official Sonic social media accounts teased Sonic fans with cryptic numbers and phrases. It turns out that there were even more teasers than fans realized. This discovery is because a new video posted on the official Sonic social media has revealed all the teasers posted, along with their meanings. Not only are the numbers explained, but so are some secret phrases. It turns out that the frequent appearances of Classic Sonic was also intended to be a teaser for his return. And, indeed, the teasers were meant to be a way to tell fans the date of the Sonic 25th anniversary party, where the announcements of the next Sonic titles would be made. If you wish to check out the video, it is linked down below.
It all makes sense now.