The story mode in One Piece: Pirate Warriors 4 follows the narrative of the "One Piece" manga and anime series, with some original storylines and characters. The game covers the "Whole Cake Island" and "Wano Country" arcs of the series.

One Piece: Pirate Warriors 4 received generally positive reviews from critics and fans, with praise for its engaging gameplay, faithful adaptation of the One Piece universe, and improved graphics.

The NSP (Nintendo Switch) release of One Piece: Pirate Warriors 4 allows players to experience the game on the go, with a portable and convenient way to play.

The gameplay in One Piece: Pirate Warriors 4 revolves around hack-and-slash combat, with players controlling various characters from the One Piece universe, including Monkey D. Luffy, Roronoa Zoro, and Boa Hancock, among others. The game features a variety of fighting styles, combos, and special abilities unique to each character.

The NSP release is available in various regions, including Europe (EUR) and Japan (JP), and can be downloaded from the Nintendo eShop.

One Piece: Pirate Warriors 4 is an action-packed game that offers a fun and engaging experience for fans of the One Piece series and the hack-and-slash genre. With its large cast of characters, dynamic combat system, and faithful adaptation of the One Piece universe, the game is a great addition to the series.

The game has a score of 74 on Metacritic, indicating "mixed or average" reviews. However, fans of the series and the genre have praised the game for its fun and action-packed gameplay.