SEGA at the presentation of Sonic Central introduced the second free Birthday Bash add-on for Sonic Frontiers:
What is known
Sega describes the DLC as follows: "Celebrate Sonic's birthday on the festively decorated Starfall Isles!Join the party with new challenges, moves, collectible Coco and Game !"
The Birthday Bash DLC is the second of threeplanned free updates for Sonic Frontiers in 2023. The first update was released in March and included photo mode, jukebox, and new challenge modes. The third update will add new story content and playable characters.