UltraHardcore
A mod that makes Minecraft ALOT harder without changing the core gameplay
About this Mod
This Mod makes Minecraft ALOT harder. A short list of what this mod does:
- Add a permanent Hunger effect
- When you burn you don't stop burning without exthingushing yourself
- Natural Regeneration has been disabled
- The game is in Hard mode the entire time
- More coming soon...
Available Versions
How to Install UltraHardcore 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).
Install Mod
Open the mod browser in the dashboard and search for "UltraHardcore". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
UltraHardcore 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). You can switch loaders with one click in the panel.
Is UltraHardcore compatible with fabric?
UltraHardcore officially supports fabric for Minecraft 1.21. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with UltraHardcore – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if UltraHardcore 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.
Similar Mods
Rent Modded Server
Install UltraHardcore with just one click on your server.