or avatar items unlocked in that version.

Based on official patch notes and datamining:

While the term "nspupdate 1 exclusive" is often used in online player communities to describe the first major downloadable network update file (NSP) for the Nintendo Switch version, it simply refers to the official . This update is not an locked exclusive, but rather a mandatory download that introduces vital functional improvements to the game's core online modes.

The Evolution of the Mind: Analyzing the First Major Update for Big Brain Academy: Brain vs. Brain Big Brain Academy: Brain vs. Brain

The primary feature introduced in the very first major update (Version 1.1.0) for Big Brain Academy: Brain vs. Brain "Creepy Crawlies" display restriction filter

Coins earned during play can be used to unlock dozens of avatar cosmetic items, such as a cat or corn costume. Big Brain Academy™: Brain vs. Brain for Nintendo Switch

: Includes miscellaneous adjustments to improve overall gameplay stability. Future Updates (Version 1.2.0)

To ensure your game is fully updated to the 1.1.0 version (the NSPUpdate 1):

: Adding clear instructions on how to obtain and share Ghost IDs, fostering a more connected community. The Legacy of the Update

The term "NSP Update 1" may not be found in official patch notes, but it is a key phrase for those seeking to understand the game's complete technical history. Within the world of game preservation and emulation, "NSP" is the standard file format for Switch software. Therefore, searching for "Big Brain Academy Brain vs Brain NSP Update 1" is the primary method used by enthusiasts to locate and apply the foundational Version 1.1.0 patch that so improved the game's core experience.

Ask the Developer Vol. 3, Big Brain Academy: Brain vs. Brain

: Allows players to restrict or remove pictures of insects and other "creepy" creatures from specific high-speed minigames. Affected Games Fast Focus Super Fast Focus Speed Sorting Super Speed Sorting Restricted Entities

(including version 1.1.0, the only major patch) are available free via Nintendo’s servers if you own the game legally.