SEGA Europe has been teasing "something special" to share in a livestream later today, and it looks like it's this free update for Puyo Puyo Tetris 2, which sees Sonic The Hedgehog joining the game as a playable character.

As detailed by Gematsu, the update adds Sonic, Lidelle, Ms. Accord and Ocean Prince as new characters, while new Items Cards, My Icons and new background music are also featured, including Sonic's Tropical Resort - Act 1.

Finally, there's also a new game mode to enjoy online with up to four players called "Boss Battle with Everyone", which sees you work together to defeat boss characters with Skill Battle rules to "earn tons of experience points".

The update goes live today, and you can watch the trailer above.

Happy about this? Have you been enjoying Puyo Puyo Tetris 2? Let us know down in the comments.