The avatar system was a massive part of Sonic Forces. The DLC packs include a variety of additional accessories, from Sega-themed attire to absurd items like a soup can hat. If you enjoy customizing your character, the DLC expands the wardrobe significantly.
If you are looking for the "full" version of the game, you cannot ignore the downloadable content (DLC). Sonic Forces launched with a season pass, and while some of it was cosmetic, a significant portion added substantial gameplay. sonic forces switch nsp update all dlc full
Here is what you get with the full DLC package: The avatar system was a massive part of Sonic Forces
Nintendo Switch version received several patches. The final update (ver. 1.1.0 / 1.1.1) includes: No major gameplay overhauls came via free updates—most
No major gameplay overhauls came via free updates—most new content was DLC.