Online Horror Blocks
Java mod listed for Minecraft 26.x. Downloads from the MC Java Mods app on Android.
Adds high-quality Momo and Blue Whale-themed blocks to Minecraft, inspired by infamous internet horror phenomena.
⬇ Download on Modrinth
Online Horror Blocks
Add high-quality Momo and Blue Whale horror-themed blocks to Minecraft!
About
Online Horror Blocks brings two well-known internet horror phenomena into Minecraft as custom decorative blocks.
Whether you're building a horror map, creating a creepy structure, or collecting internet horror-themed decorations, this mod adds something unusual to your world.
Features
- High-quality Momo blocks
- High-quality Blue Whale blocks
- Horror-themed decorations
- Multiple Minecraft versions supported
Versions
Fabric: 1.20.1, 1.21.11, 26.2
Forge: 1.14.4, 1.16.5, 1.18.2, 1.19.2, 1.19.4, 1.20.1, 1.20.2, 1.20.4
NeoForge: 1.20.4, 1.20.6, 1.21.1, 1.21.8, 26.1.2, 26.2, 26.3
Fabric 26.1.2
Fabric 26.1.2 was attempted but did not work properly in MCreator. It was not intentionally excluded.
Disclaimer
This mod is for entertainment and horror-themed Minecraft builds. It does not encourage participation in dangerous internet challenges.
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 26.2
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
- Ships as online_horror_blocks-1.0.0-neoforge-26.2.jar — drop this file into the mods folder
- Download size: 62 KB
- Download link checked 30 Oct 2026 — working
These come from our own check of the pack file, not from the source page.