Frequently asked questions in Grand Gourmet

Checked 2026-10-27. Sources are listed at the bottom.

Official Steam screenshot of the Baratie Number Two dining room

Official Steam screenshot of an exploration scene at sea

I wrote these answers only where a store page or a guide already states them. The longer pages keep the citations.

Start with the short version

The game is ONE PIECE: Grand Gourmet, a single-player restaurant sim. Kairosoft developed it. Bandai Namco publishes it. US list prices on 2026-10-27 were $19.99 on Steam and both Switch shops, and $12.99 on iOS and Android. There is no PS5 or Xbox listing. A demo was not on the store pages that day.

Full price table Platforms Official stores Steam achievements and in-game book

Evidence scope — checked 2026-10-27

Each price is a dated observation from the corresponding store. Gameplay numbers retain the single-source or independent-source scope stated on the linked detail pages.

Questions

What is One Piece: Grand Gourmet?

A single-player restaurant sim about Baratie Number Two, by Kairosoft and Bandai Namco.

Is it multiplayer?

No. Steam lists single-player, and a Japanese guide says there is no online ranking.

Who makes it?

Kairosoft develops it. Bandai Namco Entertainment publishes it.

Is it on Steam, mobile, and iOS?

Yes. Steam, iOS, and Android all had listings on 2026-10-27, plus Switch and Switch 2.

Is there a physical release?

Japan has a Switch 2 cart at 3,600 yen plus tax. A US physical price was not in the sources.

When did it release?

Bandai Namco says October 23, 2026. Steam and the App Store timestamps say October 22.

Sources

Checked 2026-10-27. Figures that disagree are left side by side.