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Bacteria Monster

Adds the Bacteria Monster from the backrooms level 1 into your game to add to your minecraft backrooms build
by CoolToad
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2,182 downloads
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Updated Jul 6, 2026
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Mobs

This mod pack adds the scary Bacteria Monster to your game!

 

You can add this to your backroom builds or try to survive it with your friends. I hope this mod will make your backroom experience harder, scarier and funnier :)

 

Trailer: https://www.youtube.com/watch?v=F2Sa0HBVQ_Y

 

update log: 1.2.1 - 10/5/25

  • Killable with water/rain
  • Made Bacteria Monster Bigger
Bacteria Monster - 1.2.1 [Forge - 1.20.1]
MC 1.20.1, Forge
Release 2025-10-04 Get

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