"The timing of the launch coincided with competing titles in the same genre, and it has been short of the initial forecast," Sega says.
The costume will be added to the 2D sidescrolling platformer on February 15, and will be free for all players.
However, Sega is expecting sales for the 2D platformer to pick up over the course of the Holiday season.
Launch sales are down 63 percent compared to Sonic Frontiers, but the 2D platformer did well considering the competition.
The newest 2D side-scroller in the legendary series is available now on Xbox One, Xbox Series X/S, PS4, PS5, PC, and Nintendo Switch.
Co-developer Arzest's Naoto Ohshima has confirmed that the upcoming sidescrolling platformer will run at 60 FPS on Switch.
Customize a Metal Fighter and compete against four players locally and eight online in three random stages to earn the most points.
Check out Dr. Eggman, Trip, and Fang the Hunter in the newest video for Sonic Superstars leading up to its Tokyo Games Show showcase later today.
Party to the vibes of the platformer's new Zone before the game's appearance at TGS 2023 this month and release on October 17th.
Sega and Atlus have unveiled their full lineup for Tokyo Game Show, which runs from September 21 to 24.
Future 2D Sonic games may not go back to the pixel art style we last saw with Sonic Mania Plus, according to the producer of Sonic Superstars.
Sonic, Tails, Knuckles and Amy Rose venture to the Northstar Islands to battle Eggman, Fang and a new foe, complete with co-op support.
The 2D sidescrolling platformer is due out this Fall for PlayStation, Xbox, Nintendo Switch, and PC.
Each Emerald provides a unique power in the upcoming co-op platformer, but players can still collect them all to obtain Super forms.
Watch Sonic, Tails, Amy and Knuckles smash Eggman's robots in this animated short before the game's release this Fall.
LEGO collaboration DLC for the upcoming 2D platformer will see its starring characters be transformed into blocky versions of themselves.
Listings mentioning an October launch were briefly live on GameStop and Target's websites, but have since been amended.
Sonic Superstars was shown off during a recent Nintendo Direct, highlighting some new gameplay and local 4-player co-op.
The side-scrolling platformer's new Zone features many elements, but Eggman still awaits at the end with a new mechanized creation.
Sonic series producer Takashi Iizuka reveals why Sonic Superstars won't feature classic levels like Green Hill Zone.
Sega has announced a new 2D platformer, Sonic Superstars. Check out the reveal trailer showing off gameplay.
