ModsJava
Relentless Undead Mod (1.20.1) – Survive Relentless Zombie Swarms That Scale
Java mod listed for Minecraft 1.20. Downloads from the MC Java Mods app on Android.
⬇ DownloadRelentless Undead Mod turns basic Minecraft zombies into aggressive horde threats. The mod makes zombies climb on top of each other to reach high platforms and leap from cliffs without fear. Undead monsters survive daylight and swim through water to keep hunting you everywhere.
Features:
- Zombies climb on top of each other to build living towers and scale high walls.
- Zombies leap off high ledges without hesitation to chase targets below.
- Stops zombies from catching fire under direct sunlight.
- Allows zombies to swim through water to catch fleeing targets.
- Lets you customize fall damage settings or toggle each mechanic on and off.
Screenshots:
Relentless Undead Mod Download Links
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.20.1
- 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: In MC Java Mods, or directly above on this page.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
File checked by MCModsHub
- Downloads as 464982.mcaddon
- Download size: 34 KB
- Download link checked 23 Sept 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.