Slimefun United

Slimefun United

A modern, organised, community‑driven continuation of the Slimefun legacy — with full localisation support (WIP), active development, and compatibility with old saves.
Magic, technology, automation, reactors, factories… all in one plugin.

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🧪 What is Slimefun United?

Slimefun United brings together the best features from the original Slimefun and its most popular forks, combining them into a single, actively maintained project.
It offers a modded‑like experience on an unmodded Minecraft server, adding:

• Energy networks
• Reactors and generators
• Automation systems
• Magic altars and runes
• Item transport systems
• Hundreds of machines, tools, and gadgets
• Full translation support
• A huge ecosystem of addons

Compatible with worlds previously using:

• The original Slimefun 4
• Gugu Project’s fork
• Other community forks (on request)

Slimefun has existed since 2013, with 500+ items and hundreds of contributors. Slimefun United continues that legacy with modern standards, frequent updates, and a welcoming community.

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🚀 Release channels

Stable releases

For production servers.
Safe Tested Recommended

Development (alpha) builds

For testers and early adopters.
Not recommended for production

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📦 Supported Minecraft & Java Versions

You can check for older versions on Modrinth or Hangar.

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🔌 Server Compatibility

Most forks of Paper should be compatible.

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🧩 Addons & Ecosystem

Slimefun has a massive add-on ecosystem maintained by the community.

Browse addons here!

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🖼 Screenshots

So, what does Slimefun United look like?

We asked some people from our Discord server to send us some screenshots:

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💬 Community

Join our Discord server for help, updates, and discussion!

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📚 Wiki

Slimefun United has a (detailed and frequently maintained - ahem) Wiki for new players,
and you can also consider contributing to the Wiki.

• Old official Wiki
• Gugu Project's Wiki (in Simplified Chinese)

⭐ Useful Documentation

• What is Slimefun?
• How to install Slimefun
• Slimefun 4 Addon List
• Slimefun 4 Addon Development Guide
• Getting Started
• FAQ
• Common Issues
• Help us expand the Wiki!
• Help us translate Slimefun!

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🤝 Contributing

Slimefun United is open‑source under GPLv3.

We welcome all:

• Pull requests
• Bug fixes
• Translations
• Addon development
• Feature proposals

Your contributions keep the project alive

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⚠️ Telemetry & Auto‑Updates

Slimefun United uses:

• GitHub API for update checks
• bStats for anonymous usage statistics
• Optional internal analytics (fully anonymous)

All telemetry can be disabled in the config.
No personal data is collected.

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💚 Credits

• Many thanks to TheBusyBiscuit and countless contributors and an amazing community, which made original Slimefun possible!
• Slimefun Gugu Project for many new features, bug fixes and updates
• neokini for Craft233MC's Folia-oriented fork
• SaanPrasanna for his translation of Gugu Project's Slimefun fork
• TheoDoR for his Slimefun Lab and some bug fixes and updates