Open Catbox

Install Open Catbox

Installs for this Windows user, no administrator rights needed. Your settings, game data and saves are kept in this folder.

Install folder about 11 GB with the game data

Updates itself. Uninstall from Installed apps.

Uninstall

Leave the island?

Removes Open Catbox from .

Game data:
Saves:

One moment

Moving in

Moving your game data here. Keep the launcher open.

First-time setup

Bring your copy to the island

Choose the files dumped from your Switch.

Base game NSP required
Not chosen
1.0.3 update NSP optional, for Japanese
Not chosen
prod.keys required
Not chosen
title.keys optional
Not chosen

Saved to .

or

Use an existing game folder with data.rom
Not chosen
Open Catbox

Open Catbox Project

Uminekono Naku Koro niSaku

Without love, it cannot be seen.

Language

Music

Pick a track

0:00 0:00

    Languages

    Translations are downloaded from their authors.

    Saves

      Backups

      One is made each time you press Play. The last 10 of those are kept; the ones you make stay until you delete them.

      Settings

      Game data

      Data folder

      Display

      Music

      Launcher

      Open Catbox

      Troubleshooting

      Version history

      About

      Open Catbox Project is a free PC port of Umineko no Naku Koro ni Saku, under the Mozilla Public License 2.0. Source code

      Created by TruEKami.

      It is built on shin by DCNick3 and its contributors.

      Translations

      Catbox English by &Olga and its contributors (repository).
      Catbox X by Foxdear (repository).
      Not part of this project.

      The game

      Umineko no Naku Koro ni was created by Ryukishi07 and 07th Expansion. The Switch release Saku is published by Entergram. You need to own the game.

      Also used

      Tauri · the Cinzel and Cormorant Garamond typefaces (SIL Open Font Licence).

      Update available

      A new home

      Everything is in one folder now