July 10, 2026

๐ŸงŸ OUTBREAK โ€” A Realistic Zombie Survival Mod for The Sims 4 | Preview

๐ŸงŸ OUTBREAK โ€” A Realistic Zombie Survival Mod for The Sims 4

Outbreak turns your sim worlds into a slow-burning apocalypse. No sprinting hordes, no arcade nonsense, just relentless, shambling dread that creeps closer every sim-day. Dangerous, but always fair. Fully standalone, base-game friendly, and built from the ground up with custom animations, custom skins, and deep survival systems.

This is very very early release access, there will be bugs and a lot of features to be added but I work on this mod DAILY, please comment your bugs/ideas/suggestions!


๐ŸŒ’ A World That Falls Apart in Phases

Trigger the collapse yourself and watch society unravel across five escalating stages:

  • Dormant โ€“ life as normalโ€ฆ for now

  • Rumors โ€“ something's wrong. A lone shape in the dark.

  • Outbreak โ€“ the dead walk. People start to turn.

  • Collapse โ€“ the streets belong to them. Careers end. School's out forever.

  • Endgame โ€“ you and yours against what's left

Each phase ramps up spawns, danger, and desperation. Fewer and fewer living NPCs wander by as the world empties out around you. Trigger the outbreak by clicking on your sim and going to the "outbreak" pie menu.

๐ŸงŸ The Horde โ€” Built for Realism

  • Slow shamblers that never run โ€” realism is the whole point

  • Your actual neighbors rise as the dead โ€” the people you knew

  • They spawn out in the neighborhood and shamble toward you

  • Roam outdoor spot to outdoor spot across your lot, the street, and neighbor yards

  • Haunt an area for 4โ€“6 sim-days before drifting on โ€” a real infestation, not a spawn blip

  • Up to 8โ€“12 zombies around your lot at peak

  • Dull perception โ€” they sense you ~12m outโ€ฆ but noise carries. Talk in a group near one and the block hears it.

  • Custom shambling walkstyle, custom idle sway, custom lunge attack, and a custom victim reaction when they grab someone

  • Red "ZOMBIE" hover title and a gruesome zombie skin

  • The dead have no autonomy โ€” no phones, no snacks, no chatting

  • No special NPCs get infected (Grim, Father Winter, mascots, etc)

๐Ÿฆ  Infection & Turning

A bite starts the clock: Bitten โ†’ Fever โ†’ Delirium โ†’ turned. Check a Sim's infection status, and when one of your household finally succumbs, they're lost to the horde โ€” gone, shambling away wearing a face you used to love.

โš”๏ธ Combat โ€” Dangerous but Fair

  • Encounter chance cards when the dead get close: fight or flee

  • Weapon-aware odds โ€” your fitness and your best weapon tilt the fight

  • Fight Off any zombie directly โ€” your Sim walks up and struggles

  • Injuries from bad rolls: sprains, deep cuts, and rare permanent wounds

โšฐ๏ธ Corpses โ€” Put Them Down for Good

  • An armed kill drops a zombie permanently โ€” a custom collapse-and-lie-still animation

  • Bodies stay where they fall. They don't vanish.

  • Loot Corpse for simoleons (deeper loot coming)

  • Set Corpse on Fire โ€” the only way to truly dispose of them. Watch them burn away.

๐Ÿง Survivors โ€” Rare and Precious

  • Wandering survivors occasionally appear (rarely โ€” every few sim-days at most), marked with a red "SURVIVOR" title

  • Recruit them: walk over, talk, win them over with a chance card

  • Recruited survivors join your household and become playable

  • Kick Out anyone who's outstayed their welcome โ€” they leave for good

  • Roles โ€” Doctor, Farmer, Scout, Guard, Chef, Hunter, Scavenger โ€” that shift your odds on runs and events

๐ŸŽ’ Survival Systems

  • Go Scavenging โ€” send a Sim to pick over abandoned locations (rabbithole grocery, pharmacy, police station, hospital, quiet suburb) with real risk/reward. Age, traits, and roles all matter.

  • Check Supplies โ€” see everything your household is carrying

  • Buy a Survival Knife โ€” +20% fight odds and the ability to put zombies down for good, with a fully custom knife-stab animation

๐Ÿงต Rebuild What You Wear (needs a sewing machine) COMING SOON

The stores are gone. Your clothes fray and tear every ~2 sim-weeks, saddling your household with an uncomfortable Ragged Clothes moodlet. Sit at a sewing machine, spend leather, and jump straight into CAS to stitch a fresh outfit.


๐Ÿ’ฟ Optional DLC-Enhanced Features

Outbreak is 100% playable on base game, but if you own these packs, extra systems switch on automatically:

  • ๐Ÿ„ Cottage Living โ€” Go Hunting: send a Sim out to bring back raw meat and leather, which feeds the whole sewing/clothing loop above.

๐ŸŽจ Custom Content

Included in the mod: all custom zombie animations (idle, lunge, recoil, death, corpse, knife stab), the possessed shamble walkstyle, a custom "Outbreak" pie menu with its own biohazard icon, and the red hover titles.

Optional companion CC (separate downloads): the zombie skin, the survival knife mesh, and a survival sewing machine.

โœ… Compatibility

  • Fully standalone

  • Base-game safe, works alongside your other mods

  • Uses safe injection โ€” no core file overrides


๐ŸŽฎ Cheat Console Commands

Open the console with Ctrl+Shift+C and type any of these:

Running the outbreak

  • outbreak.start โ€” begin the outbreak (or use the pie menu on your Sim)

  • outbreak.stop โ€” end it and lay the dead to rest

  • outbreak.status โ€” current phase, zombie & survivor counts

  • outbreak.phase <0โ€“4> โ€” jump straight to a phase

Zombies & infection

  • outbreak.spawnzombie โ€” raise a zombie near your lot

  • outbreak.zombify <first> [last] โ€” turn a specific Sim

  • outbreak.infect <first> [last] โ€” infect a Sim (starts the turn timer)

  • outbreak.turnnow โ€” force an infected Sim to turn immediately

  • outbreak.killzombie [first] [last] โ€” put a zombie down (drops a corpse)

  • outbreak.cure <first> [last] / outbreak.cureall โ€” bring them back

  • outbreak.purgezombies โ€” wipe all zombies and corpses from the world

  • outbreak.zombies / outbreak.infections โ€” list them

Survivors & supplies

  • outbreak.spawnsurvivor โ€” make a survivor wander in

  • outbreak.survivors โ€” list recruits & survivors

  • outbreak.leather <amount> โ€” grant leather

  • outbreak.sew โ€” sew a new outfit (opens CAS)

  • outbreak.fray โ€” instantly wear out your active Sim's clothes

Advanced / troubleshooting (for bug reports) outbreak.diag, outbreak.buffdump, outbreak.relbits, outbreak.reskin, outbreak.inventory, outbreak.weaponcheck, outbreak.roles, outbreak.aitick, outbreak.teststab, outbreak.walkstyles

Coming Soon: complete power outage (eco living required), more furniture for workbench and wood/metals required to craft, more locations to scavenge,


Survive the fall. Bury your dead. Or join them. ๐ŸงŸ

DOWNLOAD

Comments (34)

T
Trixie Rose ยท October 13, 2026

amazing mods but I wish all of them werent behind paywalls

T
Trixie Rose ยท October 13, 2026

If you guys want a free zombie apocalypse sacrificial mods has many great mods.

P
PennilessDegenerate ยท October 10, 2026

Not to be rude or dismissive to the either of you, but I'm curious, is this mod compatible with llazyneiph's SURVIVE mod? Both of your work seems very cool and I wonder if they can co-exist, if not then is there a possible you guys can team up to help each other? Would be pretty cool in my opinion.

D
DeviNNoisE ยท October 11, 2026

Hello! I love this Zombie Mod so much, it looks so awesome! Do you know if this Zombie Mod is still being updated and still works for the newest version of the Sims 4? Please, I want to make sure before I buy this Mod! ๐Ÿฅฐ๐Ÿคฉ

D
D Summ ยท October 10, 2026

hii i just wanted to ask if the mod is going to be free when early access is over?

D
DeviNNoisE ยท October 8, 2026

Hello! I love your Zombie Mod so much, it looks so awesome! Do you know if your Zombie Mod is still being updated and still works for the newest version of the Sims 4? Please, I want to make sure before I buy your Mod! ๐Ÿฅฐ๐Ÿคฉ

g
gladeng08 ยท October 5, 2026

Hi! I tried scavenging and I get this notification everytime that I returned with an amount worth of useful finds but I don't see anything in both my inventories. Is this expected? Additionally, my zombies just stands in their place. Thank you

D
DeviNNoisE ยท October 11, 2026

Hello! I love this Zombie Mod so much, it looks so awesome! Do you know if this Zombie Mod is still being updated and still works for the newest version of the Sims 4? Please, I want to make sure before I buy this Mod! ๐Ÿฅฐ๐Ÿคฉ

K
Kimberly Malovhele ยท September 19, 2026

I really want this mod but it keeps saying that I have to upgrade. Is there any way that I could download it for free?

O
Orisha ยท September 3, 2026

Hi! I really love the OUTBREAK mod and I'm very excited to play it. โค๏ธ Unfortunately, I'm not able to afford the Patreon right now. I wanted to ask: will OUTBREAK eventually become available for free/public, and if so, do you have an approximate date when that might happen? Thank you so much for your amazing work! ๐Ÿฅฐ

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NN ยท August 8, 2026

Hi JP! Any chance you could, as you update your older social interactinos mods, make all the interactions autonomus, or make an autonomous variant of the mod, please? Cheers!

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Tamara ยท July 31, 2026

I got Better exception for this mod

J
JellyPaws ยท July 31, 2026

Can you dm me the log file?

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Walter Hiller ยท July 17, 2026

Would to be possible to allow for people to play as zombies? I tried the mod and noticed that when I become a zombie my character is no longer controllable which had me disappointed I could no longer use them anymore

V
VintageGamer89 ยท July 14, 2026

This sounds really cool! Do you plan to add mechanics for fences? Like taking damage over time from zombies, and needing to repair/reinforce weak spots?

J
JellyPaws ยท July 14, 2026

great idea! added to the list

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Tamara Buckner ยท July 13, 2026

I am so EXCITED for this mod!!!! โ™ฅโ™ฅโ™ฅ and would it possibly be compatible with sacricficals zombie mod too?

J
JellyPaws ยท July 13, 2026

they're their own separate mods so there's no overwriting, but they don't have any features that play off each other. There should be no "bugs" though if you use them both.

K
Karyssa Creager ยท July 11, 2026

This sounds AMAZING!!!!

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Clementine ยท July 11, 2026

Oh PLEASE tell me when its in free access!!

A
Angel ยท July 10, 2026

I had like a hundred apocalyptic builds before and nothing to bring it to life! I can't thank you enough for this. I don't currently have any ideas because I'll take whatever you give! If anything, I'd definitely love to see a decent amount of apocalyptic socials. I couldn't find any kind of mod like that. I might have more ideas later after I try the mod. I'm going to pay for it, but I'm still setting up my sims and the worlds first since I'm only recently getting back into the sims.

J
JellyPaws ยท July 11, 2026

apocalypse socials...i didn't even think of that omg. You're a genius!!! some socials with some meaningful buffs is exactly what this needed.

L
Lillypad005 ยท July 10, 2026

This mod + your Wild Weather mod... You are feeding us so good rn

c
caro ยท July 10, 2026

omg the wild weather and an apocalypse mod? you're awesome! literally my favorite niches lol

K
KunU Goliazza ยท July 10, 2026

Your mod so amazing!!

M
Miley ยท July 10, 2026

Are children and teens able to become zombies? Can they also fight the zombies? ๐Ÿคฃ that would be interesting and can a zombie bite turn a sim (no cure or anything to keep it interesting.) Also it would be interesting if this could be a new life state, being a half ๐ŸงŸโ€โ™€๏ธ

J
JellyPaws ยท July 10, 2026

teens are able to become zombies + fight zombies, children are not as of right now. I still need to work on child skins + animations :)

S
SoftKami ยท July 10, 2026

YOU NEVER FAIL TO IMPRESS ME WITH THESE BIG MODS!

L
LewdChels ยท July 10, 2026

Thank you for this! I havenโ€™t seen an outbreak mod since Survive by llazyneigh! If you need testers for bugs, I would be honored :)

L
LewdChels ยท July 11, 2026

If I buy the mod will I get all the updates? I love survival games but donโ€™t have the funds to constantly be a Patreon sadly. If thatโ€™s the case then I wonโ€™t hesitate.

C
Custard bun ยท July 10, 2026

HOLY MOLY I have no words, this is amazing!! I am in lovee๐Ÿ’š๐Ÿ˜ญ๐ŸŽ‰ Genuinely, thank you for all the work you put into everything you create, you slay every time lol๐Ÿ™Œ๐Ÿฝ

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NN ยท July 10, 2026

Yes! It has ten times the content I imagined! This is huge. So excited!

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Ejypt Wills ยท July 10, 2026

This is so fricking cool! I've been waitingggg for a mod like this

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Honesty Hill ยท July 10, 2026

I love this! Canโ€™t wait to download it