ModsJava
Alex's Mobs Up
Java mod listed for Minecraft 1.21. File opened and checked on 30 Sep 2026; downloads from the MC Java Mods app on Android.
⬇ Download on CurseForgeThe author built this one for Minecraft 1.21.1 on NeoForge. On other versions it may install and then do nothing.
Alex's Mobs is one of the most well-known and beloved creature mods for Minecraft. It adds a huge variety of new mobs to almost every biome in the game — from grizzly bears and crocodiles to manta rays, manticores, and many more. Each mob comes with unique behaviors, animations, sounds, and drops, making the world feel significantly more alive and diverse.
The mod doesn't just add passive animals to fill the landscape. It introduces predators that hunt, creatures that interact with the environment, tameable companions, rideable mounts, and dangerous enemies that will make even experienced players think twice before wandering into certain biomes unprepared.
Mod requires Citadel Up to work
! Submit your ideas or bugs in the comments !
Info
Fully ported to NeoForge 1.21.1
Matches the original mod 1 to 1 in content and mechanics
Several bugs that were present in the original have been fixed
May still contain bugs
CREDITS
Original content belongs to sbom_xela – Author of Alex's Mobs
[UNOFFICIAL PORT]
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.1
- 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: Opens on CurseForge — 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.
File checked by MCModsHub
- Ships as alexsmobsup-0.2.8.jar — drop this file into the mods folder
- Download size: 26.8 MB
- Download link checked 3 Oct 2026 — working
These come from our own check of the pack file, not from the source page.