The (and subsequent 2.0.1/2.0.2 patches) fixed these problems. An "updated" NSP means the base NSP has been pre-patched to Ver. 2.0.0, or the update file is included separately.

Fixes physics bugs, widescreen bugs, and audio syncing.

Do not accept DLC packs that are only 10MB—they are fake. The proper DLC with all Game Gear titles is roughly 45MB.

Individual or bundled unlocker keys (such as the Plus Expansion Pack , Classic Music Pack , and Premium Fun Pack ) that instantly make the extra content accessible in-game. Essential Patch Notes & Improvements

, this update transforms the original 4-game compilation into a 16-game package through the "Plus Expansion Pack" DLC. New Playable Characters and Games

For those looking to enhance their experience, classic cheat codes from the original games still work in Sonic Origins Plus on the Switch. They are entered on the title screen for each game.

Overwrite the existing system titles by confirming the update installation.

The DLC installed successfully, but the update file is missing.

: Use your preferred installer to write the core Sonic Origins NSP to your SD card.

To help you get your classic Sonic games running perfectly, let me know:

: The activation keys that unlock the Plus content, Game Gear titles, and bonus soundtracks. Key Features in the Updated Version