Cursed Coop

One inventory. One fate. All players share the same inventory. If one dies, everything is wiped. Good luck.

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About this Mod

⚠ Requires Multiplayer (see below)

One inventory. One fate.

All players share the same inventory.
If one player dies — everything is wiped.

Good luck.

Cursed Co-Op Series

This mod is part of an ongoing series focused on chaotic multiplayer mechanics.

Planned additions:

Shared health
Shared durability
Shared XP
More cursed systems...

Support

If you enjoy this and want to support development:

buy me a coffee <3

⚠ Important Notes

Multiplayer ONLY (for now)
Must be installed on BOTH server and all clients
Does NOT currently support singleplayer

Singleplayer support is planned, but requires proper sync design first.

I may also release a simple open-source server setup to make hosting easier.

Thanks for trying it out :D

Available Versions

Cursed Coop 1.0.0alpha

MC 1.21.11fabric

March 20, 2026

How to Install Cursed Coop 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 (1.21.11).

Install Mod

Open the mod browser in the dashboard and search for "Cursed Coop". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

fabric

Minecraft Versions

1.21.11

Server-side

✓ Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Cursed Coop 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 (1.21.11). You can switch loaders with one click in the panel.

Is Cursed Coop compatible with fabric?

Cursed Coop officially supports fabric for Minecraft 1.21.11. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Cursed Coop – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Cursed Coop 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.