If you’re looking to expand your Minecraft world with incredible, realistic wildlife and fantasy creatures, Alex’s Mobs is one of the most popular and well-made mods out there. This guide walks you through exactly how to download and install Alex’s Mobs in Minecraft, including all the extra files you need like Citadel and Forge.

Whether you’re running Minecraft 1.20.1 or a newer version like 1.21.5 (once supported), this tutorial covers everything you need.


🐘 What is Alex’s Mobs?

Alex’s Mobs is a content-rich mod that adds over 80+ new creatures to Minecraft—ranging from real-world animals like rattlesnakes, crocodiles, and moose, to fictional creatures like soul vultures, mimics, and even void worms.

The mod is well-loved for:

  • Realistic animal behavior and animations
  • A detailed Animal Dictionary to learn about each mob
  • Vanilla-friendly integration

💡 Note: The mod is frequently updated and requires Forge and a library mod called Citadel to work correctly.

🔧 What You Need Before Installing

Before jumping in, make sure you have:

  1. A Java Edition installation of Minecraft
  2. The Forge Mod Loader for your game version
  3. Alex’s Mobs mod file
  4. Citadel (a required dependency mod)
  5. The latest version of Java installed

✅ Step-by-Step: How to Install Alex’s Mobs in Minecraft

Step 1: Close Minecraft

Make sure Minecraft is fully closed before installing mods.

Step 2: Download Alex’s Mobs

  1. Open your browser and go to: 👉 https://www.curseforge.com/minecraft/mc-mods/alexs-mobs
  2. Click the Files tab.
  3. Download the version that matches your Minecraft version (e.g., 1.20.1).
  4. Make sure it’s labeled for Forge.

Step 3: Download Citadel (Required Dependency)

Alex’s Mobs won’t work without Citadel.

  1. Go to: 👉 https://www.curseforge.com/minecraft/mc-mods/citadel
  2. Again, click the Files tab.
  3. Download the version that matches your Minecraft version (e.g., 1.20.1).
  4. Ensure it’s for Forge, not Fabric.

Step 4: Install Minecraft Forge

If you don’t have Forge installed yet:

  1. Visit: 👉 https://files.minecraftforge.net/
  2. Choose the version that matches your mod (e.g., 1.20.1).
  3. Click Installer, and wait for the download.
  4. Watch out for fake ad buttons—click “Skip” in the top-right corner after 5 seconds.
  5. Once downloaded, run the Forge installer:
    • Select “Install Client”
    • Click OK

If it doesn’t open:

  • Go to https://java.com and install the latest version of Java.
  • Right-click the Forge file → Open with → Choose Java.

Step 5: Move the Mods into the Mods Folder

  1. Open File Explorer
  2. Press Windows + R, type:
    %appdata%\.minecraft
    
  3. Inside the .minecraft folder, locate the mods folder
    • If it doesn’t exist, right-click → New → Folder → Name it mods
  4. Drag and drop both:
    • alexsmobs-x.x.x.jar
    • citadel-x.x.x.jar

into the mods folder.

Step 6: Launch Minecraft with Forge

  1. Open the Minecraft Launcher
  2. Click on the Installations tab
  3. Select the profile named Forge
  4. Click Play
  5. On the main screen, click Mods
    • You should see both Alex’s Mobs and Citadel listed
  6. Create a new world (Creative recommended for testing)

🐾 What You Can Do With Alex’s Mobs

Once installed, you’ll get access to a whole new world of creatures. You can:

  • Use spawn eggs to summon animals like Rhinoceroses, Caimans, Rattlesnakes, Soul Vultures, Seals, Sharks, and more.
  • Open the Animal Dictionary to read lore and abilities
  • Watch mobs behave realistically in different environments (swimming, flying, hunting)

📌 Pro Tip: Many mobs have unique items or behaviors. Try interacting with them using different tools or items to uncover secrets.

🖥️ Bonus: Want to Play with Friends?

If you want to use this mod on a multiplayer server, check out Apex Hosting:

Perfect if you want to experience Alex’s Mobs with friends!

✅ Final Checklist

Task Done?
Downloaded Alex’s Mobs
Downloaded Citadel
Installed Forge for correct version
Added mods to the mods folder
Launched with Forge

If everything is checked off, you’re ready to play with Alex’s Mobs in Minecraft!


🎮 Final Thoughts

Alex’s Mobs is more than just a mod—it’s an adventure that transforms Minecraft into a living, breathing world full of wonder. Whether you’re exploring jungles, deserts, or oceans, there’s always something new to discover.

If this guide helped you out, share it with fellow Minecrafters and let the adventures begin!

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