
Bossmode
Bossmode is the difficulty above hardcore that turns every mob into a boss fight, including passive mobs. Can you survive?
Screenshots

About this Mod
Bossmode is the difficulty above Hardcore, which turns every single mob into a boss fight, even including passive mobs!
There are a lot of custom attacks, custom weapons, and custom armor that is unique for each mob. Some of the bosses are extremely powerful, so you need to use all the possible resources around you if you want to survive.
All Commands for general bossmode settings start with: BossMobs
All Commands to spawn bosses start with: SummonBoss_
Can you beat Minecraft bossmode? Good luck.
Some of the bosses: https://www.youtube.com/watch?v=jbVklLPDjmE
Available Versions
How to Install Bossmode 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 "Bossmode". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.20.1
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Bossmode 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 Bossmode compatible with fabric?
Bossmode officially supports fabric for Minecraft 1.20.1. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Bossmode – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Bossmode 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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Rent Modded Server
Install Bossmode with just one click on your server.