[0100c2500fc20800][v655360][us].nsp ... | Splatoon 3

This specific version was a landmark "bonus update" that introduced significant content and technical enhancements:

: The file extension stands for Nintendo Submission Package . This is the standard format used for digital titles (eShop games), updates, and DLC. Key Features of Version 10.0.0 (v655360) Splatoon 3 [0100C2500FC20800][v655360][US].nsp ...

: Added the returning stage Urchin Underpass from the original Splatoon and introduced the Splatlands Collection , a set of 30 new weapon variants such as the Splash-o-matic GCK-O and Splattershot Pro FRZ-N . This specific version was a landmark "bonus update"

: This indicates the update version of the software. In the Switch's internal versioning system, the base game is v0 . Updates are incremented in multiples of 65,536 ( 2162 to the 16th power : This indicates the update version of the software

: On the original Nintendo Switch, certain non-essential background elements were removed from competitive modes (Anarchy Battle) to maintain stable performance compared to the newer hardware.