Project Onyx Rotten Harvest Addon is a Halloween-themed expansion from Project Onyx. This expansion changes the monsters, equipment, and gameplay mechanics to a defensive style. The included guide book provides information through visuals and page-turning. The system creates attack waves consisting of five waves of monsters and a boss battle for rewards.
Features:
- Includes a guide book.
- Adds new monsters.
- Adds new equipment.
- Includes attack summon blocks.
- Boss battle in the sixth wave.
- Divided into four difficulty levels.
- Includes an unlimited play mode.
- Receive rewards upon winning.
Screenshots:
Installation Note:
- You need to enable the Experimental Settings if the addon does not work.
Project Onyx Rotten Harvest Addon Download Links
For Minecraft PE/Bedrock 1.21
mcaddon: Download from Server 1 – Download from Server 2
Quick facts
- Edition: Minecraft Bedrock
- File type: .mcpack or .mcaddon
- Minecraft version listed: 1.21
- How to install: Download the .mcpack or .mcaddon file. → Open it — Minecraft imports it. → In your world: Behavior Packs → Available → Activate, then the same under Resource Packs.
- Where to get it: In MCModsHub, or directly above on this page.
Install steps are the general flow for this file type — How to install Minecraft Bedrock addons & mods walks through it step by step.
Verified by MCModsHub
- Pack type: .mcaddon — behaviour and resource pack in one file
- Manifest requires Minecraft 1.21.90 or newer
- Complete pack — everything it depends on is inside the file
- Download size: 3.4 MB
- Download link checked 17 Jun 2026 — working
- Mirrored on our own servers — the download does not depend on the original host
These come from our own check of the pack file, not from the source page.