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online horror mod

by The_wither_storm_fan

Online Horror Mod adds two boss mobs, Momo and the Blue Whale, that spawn in caves and roam the underground world of Minecraft.

FabricForgeClient and serverAll rights reserved1.20.1 – 26.1.2

What it does

The mod turns two internet horror figures into Minecraft bosses. Both are described as aggressive and hostile, and they hunt players who explore dark areas, so the mod is built around tense survival where no spot feels fully safe. The bosses appear in caves and underground, away from the surface.

Its design draws on the 2017 Blue Whale Challenge and the 2018 Momo image, both of which spread widely across social media and messaging apps. The author describes the bosses as deadly, with devastating attacks that can overwhelm experienced players quickly. Players are advised to prepare with strong armor, gear and supplies before going underground.

Installation runs on Fabric and Forge. The server and every player need the mod installed. Files cover 1.20.1 and 26.1.2, and the mod is released under All rights reserved, which means it is not open source.

Key features

  1. Momo boss mob

    A boss based on the Momo image, which hunts players through dark and underground areas.

  2. Blue Whale boss mob

    A second boss modeled on the Blue Whale Challenge that spawns in caves and attacks players who venture deep underground.

  3. Cave spawning

    Both bosses appear in caves and underground, so exploring deep areas carries the risk of an encounter.

  4. Demanding combat

    The bosses are described as aggressive, with heavy attacks meant to be hard even for well-equipped players.

Compatibility

Latest build for each game version and loader.

26.1.21.0.0Not available
1.20.1Not available1.0.0
ReleaseBetaAlphaNot available

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

Questions

Does Online Horror Mod need to be installed on the server?

Yes. Every player and the server need a copy of the mod.

Which loaders does Online Horror Mod support?

The mod is published for Fabric and Forge. Forge files cover 1.20.1 and Fabric files cover 26.1.2.

In the catalog

online horror mod is one of 7,555 Cursed mods on ModsFinder, and one of 4,235 Cursed mods for Fabric. 15,189 mods support Minecraft 26.1.2.

Cursed mods7,555Fabric modsMods for 26.1.215,189

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What the author says

Bring two of the internet's most infamous horror legends into Minecraft. Online Horror Mod adds Momo and Blue Whale as terrifying boss mobs that roam your Minecraft world. Inspired by the viral internet scares that spread across social media in 2017 and 2018, these bosses are designed to create a tense survival…
The_wither_storm_fan, on the Modrinth page

Official listing

Owner
The_wither_storm_fan
Published
2026-05-28
Updated on Modrinth
2026-08-06
Facts verified
2026-10-15

Tags

CursedMobs
Open on ModrinthCompare