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Biological Infestation [Bedrock]

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This add-on was created by VirtualBlack8, tasked with bringing new styles, creatures, animations, interactions, and a scarier, more immersive experience to your Minecraft Bedrock world.

🦠 Biological Infestation [Bedrock] 🦠

🎬 Trailer

Ever wonder what would happen if Minecraft stopped being a bright and happy place...
and became a merciless biological hell?

Discover misshapen creatures, living blocks, deadly fungi...
and an infection that spreads endlessly, consuming everything in its path.

There's no magic.
Just unleashed science... and something that went horribly wrong.


💖 Support me on Patreon or Ko-fi!

If you enjoy my addons and want to support my work on a voluntary basis, you can do so at:

👉 Patreon: VirtualBlack8
👉 Ko-fi: VirtualBlack8

Everything I create is 100% free, with direct downloads and no ads.
Your support, no matter how small, motivates me to keep creating, updating, and improving every day.

Thank you! :)

💬 Join our Discord!

Join our community to receive technical support, add-on news, share ideas, or report bugs.

👉 Click here to join!


Key features

This add-on adds horrendous creatures, living blocks, deadly mushrooms, and a relentless infection that spreads non-stop, transforming your world into the scariest of them all.

Available creatures:

Genetic Infiltrator

Barrel-like objects on grass.

A laboratory worm.
The original source of the infection.

Infects on contact.
Disappears after killing.
Extremely fast.
Viewing range: 25 blocks.
It doesn't fight... it infects.

Infected Human

Pixelated humanoid creature front and back.

A fully possessed human.
Not as fast as parasites,
but capable of mutating into something much worse...

Infected Pig

Mutated pig creature, side-by-side view.

A pig with a mouth like a live meat trap.
It regenerates and attacks without fear.
Yes, it can also evolve...

Infected Cow

Left Brown cow with red eyes. Right Cow with red texture.

A swollen cow, deformed by the plague.
Their mooing is an echo of suffering.
It doesn't just moo... it charges at you.
And of course: it evolves.

Infected Tendril

Red coral-like structure on grass.

Spiny tentacles sprouting from the ground.
Immobile, impossible to push,
but lethal if you get close.

They only survive under an Infected Regeneration Block.
They release spores every 1.5 seconds.
Lethal. Don't underestimate them.

New Blocks

Infected Regeneration Block

Red blocks arranged in a T-shape.

Keeps Infected Tendrils alive.

Infested Central Block

Red blocks in a grassy landscape.

Living mass that pulsates and spreads the infection.

Infected Fungus

Red block with brown mushroom growths.

When broken, it releases toxic spores.

New structure:

Infested Grove

Red organic growth on grassy terrain.

Red, organic infestation on grassy terrain.

A hidden area between rotten trees.
Full of rare fungi, spores and Tendrils.

Do you see her? Runs.
Or prepare to fight for your life.

🧪 Current Status (Development)

  • 🔧 This addon is still in development. Some things are not finalized.
  • 💬 You can leave suggestions or reports directly on the Discord server.

🛠 Installation

  • 📥 Download the Biological Infestation [Bedrock] v0.3.9.mcaddon file.
  • 📱 Open it directly from your file explorer.
  • 📦 Minecraft will automatically open and import both the behavior pack and the resource pack.
  • ✅ Once it says "Import Completed," activate the add-on in your world from the Resources and Behavior sections.
  • 🏹 Don’t forget to enable the necessary experimental features in the world settings for the addon to function properly.

Add-on creator options menu.

⚠️ Important Information and Additional Notes

  • 🔧 Supported Version: Requires Minecraft Bedrock 1.21.93 or higher.
  • 🚫 Not compatible with betas or previews; they could generate errors.
  • ♻️ Remove any previous versions before installing them to avoid conflicts.
  • 📁 It doesn't use player.json, which makes it highly compatible with other addons.
  • 🌐 It works on realms and servers, as long as both packages are activated correctly.
  • 🐛 If the import fails, re-download the file or install it manually.
  • 📹 If you make a video, review or presentation, don't forget to give credit and use the original link on this page.
  • ❌ Don't upload the add-on to other sites or share alternative download links.

💡 Share only THIS link.

🎉 Thank you and enjoy it to the fullest! :D

Updated on July 08

  • 🧠 Adjusted spawn behavior of Infected Humans. Their appearance rate has been balanced for better gameplay.
  • ✅ Compatible with Minecraft 1.21.93.
Changelog for June 23 / Old Update
  • Minor bug fixes.
  • Changes made to description and files.
  • Addon updated to ensure full compatibility with Minecraft 1.21.92+.
  • Internal code optimization for better overall performance.
Download links
Biological Infestation [CurseForge]
Supported versions
1.21.90
Tags
17 741
13 comments
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  1. No avatar image Guest Nobody Guest
    Can you make them not attack zombies or have them infect zombies?
  2. spent 30 ish minutes trying to complete the steps to get the mod but all it does is just waste my time because no matter what I do one of the steps break and there's no timer
  3. No avatar image Phat Guest
    When I play this addon with other parasite addons I found out that this addon creature is invisible 😥
  4. No avatar image Darscat55 Guest
    I like those designs of infected entities
    My favourite is the stage 2 pig
    I hope to see more infecteds like chicken and sheep
    Also instead of making the infected tendrils a mob.can you make it a block
    It could reduce some lags
  5. VirtualBlack8 profile avatar VirtualBlack8 Author
    Due to the removal of "Holiday Creator Features" in version 1.21.20, I have updated the addon links. The plugin is now compatible only with version 1.21.20 or higher, and you need to enable the "Beta API" option in Experiments for it to work properly.
  6. No avatar image myrmeciastellaris Guest
    Can you make the blocks spread and make this into an infection add on?
    1. No avatar image myrmeciastellaris Guest
      Oh and i think you could make that work by making invisible entities, that walk around aimlessly and then despawn after like a second while spreading blocks underneath. The entites would only spawn on the infected blocks. an another solution is to make the entites immobile, and instead make them spread blocks in a few block radius, then despawn. in that case the entities would even make sense being visible, if they had a rising spawn animation and a sinking despawn one. i don't know how to code add ons, and maybe there are more efficient ways, but i think this should work. just note, that this would be unoptimised for bigger infection zones, so the immobile one would be better.
      1. No avatar image myrmeciastellaris Guest
        That way with the animated immobile ones it would feel more alive.
        1. VirtualBlack8 profile avatar VirtualBlack8 Author
          Good idea, I'll write it down.
          1. Oh and if so, make so that the infection needs something to happen, so that it can start. otherwise building your base accidentally near a structure would be game over. I think something like a starting block would work, so that the infection only starts, if you place down said block. i have no idea, how that would work, but this would prevent accidental world destruction :)
          2. oh sorry i'm the same person as on top, i just logged in on a different username
  7. No avatar image เมธัส เเน่นอุดร Guest
    Good😙😙
    1. when i place the red block it doesn’t spread