If you are still on version 1.0.0 (or the base NSP), you are missing out on the majority of the content.
: Approximately 2 GB of storage is required for installation. Stumble Guys Switch NSP UPDATE
The Switch port of Stumble Guys has improved significantly since launch. Older versions (pre-v0.65) often suffer from: If you are still on version 1
For those using local install methods for digital backups, tools like Stumble Guys Switch NSP UPDATE