NSP stands for Nintendo Submission Package . It is the official file format used by Nintendo to distribute digital games, downloadable content (DLC), and software updates through the official Nintendo eShop.

: It emphasizes strategic quirk usage over simple button mashing, with a necessary tutorial to master complex combos. Updates & DLC Content

The NSP UPDATE DLC also brings new game modes and features to My Hero One's Justice 2. One of the most notable additions is the , which expands on the game's narrative and offers a fresh perspective on the world of My Hero Academia. This mode features a series of new missions and challenges that allow players to experience the story in a new way.

is a popular homebrew application used for installing NSP files on a Nintendo Switch.

Essential for smoother frame rates during high-action Quirk clashes.

As of 2026, My Hero One's Justice 2 remains the definitive My Hero Academia fighting game experience on Nintendo Switch. With all updates installed and all DLC characters unlocked, the complete package offers:

Ensure your Base NSP, Update file, and DLC files all share the exact same regional Title ID (e.g., USA, EUR, or JPN). Mixing regions will result in the DLC failing to load.

The fight for justice has never been bigger, badder, or more quirkier.

The brainwashing specialist from the General Studies department.

Several costumes were available as DLC or pre-order bonuses, including the , the Ribbit Ribbit Set (Tsuyu Asui themed), and the "My Hero Academia: World Heroes' Mission" collaboration costumes for Deku, Bakugo, and Todoroki.