It looks like Sonic Frontiers will have DLC, based on this promo

Sega selling add-on content isn't too surprising, but we may have our first soft confirmation of Sonic Frontiers DLC.

Nintendo Download: Hanging on the Frontiers of Tomorrow

Sonic Superstars Has Launched On Steam - But There's A Problem - Gameranx

Make the DLC promo images for your mod Thumbnail. [Sonic Frontiers] [Tutorials]

NEW Switch Sense: A Cyberpunk Ghost Story (HK, ENGLISH/ Chinese). Switch Ninja Gaiden Master Collection 1 + 2 +3 (HK, ENGLISH/ Chinese/ Spanish). NEW

NEW PS5 Sonic Frontiers (HK, Chinese/ English/ Japanese) + DLC

Sonic Frontiers Official Website

Sonic Frontiers Was Successful Enough To Prompt A Higher Budget For Future Titles

Sonic Frontiers is getting some Sonic Adventure 2-themed DLC - My Nintendo News

Sonic Frontiers Is Offering Free DLC Under One Condition

Sonic Frontiers Official Website

SA2 Sonic Frontiers shoes: what they look like, and where to find them

Sega says Sonic Frontiers sales exceeded expectations

Sega says Sonic Frontiers sales exceeded expectations

Looks like Sonic Frontiers isn't over and will release Free DLC's on 2023 : r/gaming

Sega Director Confirms Sonic Frontiers Is “Third Generation” Game - Gameranx