Sonic Superstars offers free Amy Rose DLC if you sign up for the game's newsletter

Players have until the end of January 2024 to score the free Amy Rose outfit DLC by signing up for the Sonic Superstars newsletter.

Sonic Central 2023

Sonic Superstars Sonic Holiday Costume Now Available — Games Enquirer

SEGA reveals Sonic series sold 1.22 million units in Q1 2023 - My Nintendo News

Ahead of Sonic Superstars, Sonic Frontiers gets its Final DLC - FandomWire

Sonic Central 2023: Celebrate Sonic's Birthday With New Releases and Updates - Xbox Wire

SEGA Reveals Sonic Superstars Launch Date + Sonic Frontiers Upcoming Content Update – Game Chronicles

Sonic Frontiers' free story DLC The Final Horizon is available now - The Tech Game

Sonic Series

Sonic and friends return in Sonic Superstars, coming later this year

Steam Curator: Sonic the Hedgehog

New Sonic Superstars Artwork, Screenshots and Every Emerald Power Revealed – Sonic City

Amy Rose, Ultimate Pop Culture Wiki

Sonic Superstars gets a new animation: Trio of Trouble

Amy Rose Alt Costume Revealed for Sonic Superstars

Amy Rose Alt Costume Revealed for Sonic Superstars