Outbreak: Apocalyptic Bioweapons | Killing Floor | Left 4 Dead
Modby Fyrrage
Brutal, gruesome, and challenging. An outbreak of failed bioweapons invades your world. Currently Added: Killing Floor
Downloads
46,320
Type
Mod
CurseForge ID
1394128
Last Updated
Apr 9, 2026
Description
Outbreak aims to add apocalyptic monsters inspired by other medias into minecraft.
Key Features:
- A fine addition for zombie apocalypse modpacks!
- Headshots! hitting monsters in their heads rips them off.
- Stylish Armor! Look cool while wiping out the abominations.
- Lightweight! This mod only adds mobs and a few armor sets.
- Configurable! Mobs' health and damage can be tweaked through a config file.
Currently Added Themes:
- Killing Floor
Recommended to pair with Timeless&Classics(TaCZ), LesRaisins Tactical Equipements, Extra Gore
Requires Geckolib
‼ If you find any bug related to this mod, please feel free to report in the comments, I will try to fix them asap. ‼
Mobs:
Small Class // **Trivial Target**
Cyst


Clot


Cysts and Clots have low health but comes in swarms.
Gorefast


Gorefasts moves quickly, making them harder to aim at.
Crawler


Crawlers climb walls like spiders, have smaller hitboxes, and their black skin makes them a menace in dark enviroments.
Stalker


Stalkers are nearly 100% invisible, only showing themselves when they're close enough to lay their hands on you.
watch out for floating white eyes, or alternatively, wear Foster's Facade to reveal all Stalkers around you.
Spitter


Spitters, as their name suggests, spits out toxic goops that lingers for a short duration on the ground they land on.
these ladies can launch their attack at quite a long-range, utilize sidesteps to avoid taking DOT damage.
Medium Class // **Moderate Threat**
Bloat


Bloats spits out acid to poison you. Their bloated belly explodes if taken too many hits, prioritize their head to avoid the explosion.
Husk


Husks are ranged attackers that shoots fireballs from afar, try to sidestep them while they're busy aiming.
Siren


Sirens lets out ear-bleeding screams that hits all 360 degrees around them. Their damage can stack up really fast if not dealt with swiftly.
Equipping Scully's Mask grants user immunity to siren's screams.
Large Class // **Extremely Dangerous**
Scrake



The Scrakes are raging monsters that chages at you with their chainsaw. be sure to keep your distance before engaging as they can take quite a lot of damage before going down.
Fleshpound


This towering fear known as The Fleshpound are fast, tanky and will shred anything into pieces that comes in their way, direct approach is not adviced.
Instead, build a trap to immobilize them, or engage in groups to ensure survival.
Explosives preform extraordinarily well against Fleshpounds as well.
Items:
Bio Sample:

Dropped by most monsters from this mod, larger the monster, the more bio samples drop.
Bio Fabric:

Craftred by combining Bio Samples with strings. Used for equipment crafting.
Recipe:

Armor Scrap:

Obtained by killing large monsters.
Armor:
Horzine Mark 7 Armor:


Recipe:




DJ Scully Outfit:

Recipe:




Foundry Worker Outfit:

Recipe:




Mr.Foster Outfit:

Recipe:



Screenshots
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