Before diving into updates and DLC, you must understand the two primary file types associated with Switch piracy and backup management.

Warning: Do not attempt to install an update from a different region (e.g., EUR or JPN) with a US base game. Update IDs must match. Look for 01004A20C0B6800 (US Title ID).

Beyond the free updates, Sonic Frontiers features various DLC packs that add flair to your adventure. In the US region, these often include:

Addressed early bug fixes and added the "Holiday Cheer Suit". Major Free DLC & Content Updates