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What is this?
Grasscutter is a self-hosted server software reimplementation for a certain anime game: you run your own private game server and play on it with the game's own client.
Grasscutter is a self-hosted server software reimplementation for a certain anime game: you run your own private game server and play on it with the game's own client.Is this the game itself, or just the server it connects to?Just the server half. You still need a real REL4.0.x game client; the Cultivation launcher takes your existing game install and points it at the server.
Just the server half. You still need a real REL4.0.x game client; the Cultivation launcher takes your existing game install and points it at the server.How do I get a private server up and running?Easiest path: install Java 17 and MongoDB, grab a REL4.0.x client, then use the Cultivation launcher (.msi, run as admin) - set the game and Java paths and hit launch. You can also build the server jar yourself with Gradle (JDK 17+, Git).
Easiest path: install Java 17 and MongoDB, grab a REL4.0.x client, then use the Cultivation launcher (.msi, run as admin) - set the game and Java paths and hit launch. You can also build the server jar yourself with Gradle (JDK 17+, Git).What do I need to have installed before it will run?Java 17, MongoDB Community Server, and a matching 4.0.x game client. Versions cannot be mixed - you must download the Grasscutter build that matches your client version.
Java 17, MongoDB Community Server, and a matching 4.0.x game client. Versions cannot be mixed - you must download the Grasscutter build that matches your client version.Will it work with the latest version of the game?No. The project is no longer actively maintained and, as of January 12th, 2025, only supports game versions up to REL4.0.1 (the Fontaine update).
No. The project is no longer actively maintained and, as of January 12th, 2025, only supports game versions up to REL4.0.1 (the Fontaine update).Is it Windows-only, or can I host the server on Linux too?The server builds and runs on both Windows and GNU/Linux, and the repo ships Docker support. Only the client-side Cultivation launcher is a Windows .msi.
The server builds and runs on both Windows and GNU/Linux, and the repo ships Docker support. Only the client-side Cultivation launcher is a Windows .msi.What actually works in the game once the server is up?Login, combat, friends list, teleportation, the gacha system, spawning monsters via the server console, and inventory features (receiving and upgrading items and characters) all work; co-op only partially works.
Login, combat, friends list, teleportation, the gacha system, spawning monsters via the server console, and inventory features (receiving and upgrading items and characters) all work; co-op only partially works.Do I need to register an account to log in?No. You log in with whatever username you want, and the password can be anything.
No. You log in with whatever username you want, and the password can be anything.Can I run the server in Docker?Yes - the repository ships Docker support alongside the standard Java/Gradle setup, so the server can run as a container instead of a plain Java process.
Yes - the repository ships Docker support alongside the standard Java/Gradle setup, so the server can run as a container instead of a plain Java process.What are similar projects?gost, mongo, Chat2DB, flyway, spider-flow, chat, Signal-Server, dtm
gost, mongo, Chat2DB, flyway, spider-flow, chat, Signal-Server, dtmWhich topics is it in?mongodb, gaming, agpl, java, database, networking, server, docker, self-hosted, cross-platform, windows, linux
mongodb, gaming, agpl, java, database, networking, server, docker, self-hosted, cross-platform, windows, linux