Persistent Worlds
Disables the "Delete World" button.
About this Mod
A simple mod where the only thing it does is disable the "Delete World" button.
Yes, I made this after accidentally deleting one of my worlds.
Discord: https://discord.gg/HHqKa8vTAN
This mod may be used in any modpack.
Available Versions
How to Install Persistent Worlds on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set fabric Loader
In the panel under "Egg", select the fabric loader and matching Minecraft version (1.20.1).
Install Mod
Open the mod browser in the dashboard and search for "Persistent Worlds". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.20.1, 1.20
Server-side
✗ UnsupportedRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Persistent Worlds server crashes on startup – what to do?
Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.20.1). You can switch loaders with one click in the panel.
Is Persistent Worlds compatible with fabric and forge?
Persistent Worlds officially supports fabric, forge for Minecraft 1.20.1, 1.20. Note: Forge and Fabric mods are NOT cross-compatible – pick one loader and stick with it. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Persistent Worlds – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Persistent Worlds consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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