ModsFinder

The CATASTROPHE mod

by rgpmc_the_great

The CATASTROPHE mod adds new bosses and reworks several vanilla bosses, reshaping parts of the game's progression for Forge and NeoForge.

ForgeNeoForgeClient and serverAll rights reserved1.20.1 – 1.21.8

What it does

The mod adds new bosses and overhauls existing ones, including a reworked Wither, and changes parts of the base game's progression around them. The author plans more than 18 bosses, each with its own loot and music, and lists earlier versions that improved older bosses and changed how the Wither behaves at night.

Installation covers the server and each player's game. Files are published for Forge and NeoForge, with the latest Forge build 1.0.0 for 1.20.1 and the latest NeoForge build 5.0.0 for 1.21.8. The mod is released under All rights reserved and is not open source.

Key features

  1. New bosses

    Adds new boss encounters, with more than 18 planned, each with unique loot and music.

  2. Reworked vanilla bosses

    Overhauls existing vanilla bosses and reshapes parts of the base game's progression.

  3. Reworked Wither

    Changes the Wither's behavior, including how it acts at night, in an early version.

Compatibility

Latest build for each game version and loader.

1.21.8Not available5.0.0
1.21.6Not available4.0.0
1.21.5Not available4.0.0
1.21.4Not available4.0.0
1.20.11.0.0Not available
ReleaseBetaAlphaNot available

Only full game releases are shown. This mod publishes no snapshot builds.

How it compares

Full comparison

Epic Bosses runs on client and server for 1.19.2 – 1.21.1 and is released under the MIT License. BeyondBosses is client-side only, covering 1.20.1 – 1.21.4, so only the client needs it. RPG Style More Bosses also runs on client and server, for 1.20.1 – 1.21.1, under All rights reserved.

ModLoadersGame versionsEnvironmentUpdated
The CATASTROPHE modForge and NeoForge1.20.1 – 1.21.8Client and server2026-05-14
Epic BossesForge and NeoForge1.19.2 – 1.21.1Client and server2025-09-07
BeyondBossesForge and NeoForge1.20.1 – 1.21.4Client-side only2025-10-20
RPG Style More BossesForge and NeoForge1.20.1 – 1.21.1Client and server2026-01-26

Questions

Does The CATASTROPHE mod need to be installed on the server?

Yes. The server and every player need the mod installed.

In the catalog

The CATASTROPHE mod is one of 7,216 Magic mods on ModsFinder, and one of 3,927 Magic mods for Forge. 17,695 mods support Minecraft 1.21.8.

Magic mods7,216Forge modsMods for 1.21.817,695

More from rgpmc_the_great

All projects
the weirdest bosses ever1.20.1 – 1.20.6Godmode- wither rework1.21.4

Similar mods

Enchantment Descriptions1.9.4 – 26.3EMIffect1.19.2 – 1.21.1Simply Swords1.18 – 1.21.1Vein Mining1.16.4 – 1.21Mowzie's Mobs1.20.1 – 1.21.1Enchanting Infuser1.19 – 26.3

What the author says

Catastrophe mod is an expansion and boss overhaul mod for minecraft, reworking the game's mechanics. There are over 18 planned bosses, each with unique loot, music etc. The vanilla bosses also will be part of the progression. V6 WILL ADD NEW BOSSES AND IMPROVE THE OLD ONES. V5- WITHERING WITH THE NIGHT IS OUT RIGHT…
rgpmc_the_great, on the Modrinth page

Official listing

Owner
rgpmc_the_great
Published
2025-02-16
Updated on Modrinth
2026-05-14
Facts verified
2026-10-15

Tags

Game mechanicsMagicMobsAdventureEquipmentWorld generation
Open on ModrinthCompare