For users analyzing the file structure (often identified by the .nsp file extension in digital formats), Sonic Origins Plus is not a wholly separate application from the original 2022 release. Instead, it functions as:

Users updating from the standard Sonic Origins to the Plus version are essentially applying the v1.0.3.0 title update and installing the "Plus Expansion Pack" DLC license.

Disclaimer: This article is for informational purposes regarding file versions and compatibility. Piracy harms developers. We encourage purchasing the physical Sonic Origins Plus cart (which includes the DLC on-cart without a download) or buying the digital version from the eShop.

If you are a legitimate user backing up your own cart via a hacked Switch, here is the forensic data you need to verify your dumps:

As of mid-2024, SEGA rolled out a significant patch for the Switch version. If you are hunting for the Sonic Origins Plus Switch NSP update DLC updated files, you are likely looking for v2.0.0 (or the later v2.0.1).