
Monster Swarm Mod 1.12.2, 1.8.9 makes minecraft monsters (zombies, skeletons) very aggressive and swarmy. This mod enhances the AI of Minecraft mobs. Monsters can attack from far away destroy walls on their way, build bridges and kill your animals. They can also destroy walls on their way (though slowly, depends on the material) or build bridges. Your base is no longer safe during the night. This mod changes blast-resistance from some blocks. In general, bricks are a bit more resistant (works with bricks from mfr, railcraft, bop), and obsidian is nerfed. (it would be op)

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Monster Swarm Mod 1.12.2, 1.8.9 Download Links
For Minecraft 1.7.10
For Minecraft 1.8.9
For Minecraft 1.12.2
- Edition: Minecraft Java
- File type: .jar
- 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.
- Downloads as 209301.mcaddon
- Download size: 56 KB
- Download link checked 30 Jul 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.