Mods / Horror

• TThe Mercer Virusby Canton"Humanity is stagnant. Dying. I would give it one body. One mind. Think about it -- no more conflict. No more disease. No more suffering. Don't you see? I'm giving it a second chance." -Alex Mercer Where he failed, you will succeed.47.0k downloadsupdated 11 y ago
• RResident evilby Lil nuggetAfter seeing no decent Resident evil scenarios, I decied to make my own. I hope it lives up to your standards. The symptoms are based heavily on the T-virus. All feedback and constructive criticism is accepted. Note:This scenario might be too easy for some players. This my first time using the sc...36.9k downloadsupdated 8 y ago
• SSCP-610by FoxySezRawrSCP-610 is a contagious disease that affects the victim's skin, making them grow large amounts of infectious scar tissue and eventually causing death. Once fully infected, the disease turns the victim into a creature actively seeking out new people to infect or staying put and transforming their...24.3k downloadsupdated 12 y ago
• NNazi Zombiesby Bilbo Of SmashingtonI have recently developed an updated version of this scenario that, while largely simmilar to this one, fixes a lot of the balancing problems with this version. Find it named 'Nazi Zombies 2.0' if you're interested. Based off CoD zombies, from Treyarch, use this plague to wipe out humanity as the...20.7k downloadsupdated 11 y ago
• CCult Simulatorby DeDevilTailsSo-called 'new religious movements' are a strange thing. They spread much like an infectious disease does, and can be just as detrimental to society at large. This scenario is about making your very own cult and bringing the entire world under its control. This is a very in-depth scenario so don'...19.6k downloadsupdated 8 y ago
• YYou encountered a bug!by NoVeXXNew Version 2.01 22.08.2025 TL;DR USE: ''Patho Stasis'' DO NOT USE: ''Base Hydrolysis'' WHEN EVERYONE IS INFECTED: DEVOLVE TRANSMISSIONS FOR EXTRA DNA Please read bottom annotation! Also feel free to take a look in the version history on the mods steam page. Story: You achieved greatness! You wer...18.1k downloadsupdated 14 mo ago
• TTroglovirusby infernalthingA harmless virus that only survives in troglobitic animals and other underground or cave life forms. The virus can't survive in other organisms, until now! A recent mutation allows limited survival in humans. While not a suitable host, the virus gives infected humans traits from previous animal h...17.6k downloadsupdated 12 y ago
• SSlender Sicknessby knightfluttershySlenderman. A ten foot tall, faceless entity that stalks people and drives them insane. Most people think of HIm as a myth, but little do they know he's out there. Will humans find a way to stop him? All the 'infected' are people who fear Slenderman. They expereince Slender Sickness-the human's r...15.0k downloadsupdated 11 y ago
• TThe Busan Virusby 76561198869007680~~~DESCRIPTION~~~ A usual day in a busy city of Seoul, South Korea, would soon turn into a nightmare... Just now, an unknown virus, wich'd later be named as the "Busan virus", has been leaked from one of the biolabs in South Korea. Several fish were found dead on the river's shore later, as mass...13.3k downloadsupdated 3 y ago
• SSCP-001: When Day Breaksby The OverlordshipIt is the year 2371, the SCP-001 event is about to start. The Sun's heat has risen to unimaginable levels. SCP-001 is a Apollyon class SCP that depicts an event about the Sun casting an orange shadow over Earth, and melting people in the area of the Sun's rays into goo creatures that retain their...13.0k downloadsupdated 8 y ago
• SSCP-008by HellsvergWe've made it to the 4th Most Popular Scenario in June 2018! Thank you for your support. Source: Popular Scenarios Update June 2018 ————————————————————————————————————————————— An extremely complex prion designated as SCP-008 has escaped containment at Site-19. Will the SCP Foundation recontain...11.8k downloadsupdated 8 y ago
• SSCP-682by 76561198385935495The Hard to Destroy Reptile, SCP-682 has breached containment at Site-. As 682 you must inspire fear in and then kill all of mankind. Infected represent those who fear you, they'll spread the fear by telling people about your existance.11.4k downloadsupdated 9 y ago
• IInstant Zombie Actionby ChiImmediately start with zombies from the first person on that you infect. No time to waste, make sure you spread your zombies around the world before Z-Com deploys it's bases out in too many countries or before there is a cure, because not enough zombies means a loss! The cure takes some time to b...11.0k downloadsupdated 11 y ago
• TTroglovirus V2by infernalthingThis is the second version of the Troglovirus using the Simian Flu template. A harmless virus that only survives in troglobitic animals and other underground or cave life forms. The virus can't survive in other organisms, until now! A recent mutation allows limited survival in humans. While not a...9.8k downloadsupdated 12 y ago
• RRise of the Insectsby UndeadGamerIt is time for insects to rise up againt the human race. Will they succeed in world domination?9.5k downloadsupdated 12 y ago
• TThe HARRAN Virusby 76561198843974353Info This is the virus featured in the Dying Light game. This will be a bit different then my Resident Evil one as you have to manually mutate the zombie types yourself, I've also changed some Transmissions and Abilities instead of only the Symptoms. Featured zombie types: - Common Infected - Gas...9.3k downloadsupdated 8 y ago
• LLycanthropy (Monster Plague Engine POC)by indigofenix- This is an IndigoFenix scenario. Expect new mechanics. Also, read the whole description please! - A mysterious virus with symptoms similar to rabies has appeared. But this strange pathogen may have more in store for humanity. Can you take over the world with werewolves? Your main challenge will...9.2k downloadsupdated 7 y ago
• RRealistic Zombie Virus Modby JaguarLeeThe most realistic zombie virus mod out there at the moment for Plague Inc. With over 25 custom transmission, Symptoms and abilities for each... There are multiple ways to start the zombie apocolypse. **These are just examples of the content provided** If you want to infect individuals through: ....8.9k downloadsupdated 9 y ago
• SSeven Deadly Sinsby BUNGLES IS FOR CHADSThe Seven Deadly Sins have emerged from hell and it is your duty to spread them across the world.8.4k downloadsupdated 10 y ago
• GGreen Fluby ExeterWhat seemed to be an ordinary influenza virus quickly grew to become a global, zombie-creating pandemic that threatens to destroy humanity... A Necroa Virus based on the Green Flu from Valve's Left 4 Dead franchise.8.3k downloadsupdated 3 y ago
• HHerald of the Demon Kingby indigofenix- This is an IndigoFenix scenario. Expect new mechanics. Gameplay is COMPLETELY different than the base Shadow Plague, so DO NOT skip the text boxes or you will have no idea what to do. - Rise from your grave, my servant! The time has come for I, the Demon King, to ascend from the Underworld and...7.8k downloadsupdated 7 y ago
• NNecromorphs 2by Wilfredo PaulinoAn extraterrestrial plague, which forms deceased bodies into nightmarish alien-zombie-mutants and is caused by Marker artifacts. (Dead Space) This is a reupload. Last update: 02/26/21: Adjusted parameters7.8k downloadsupdated 6 y ago
• --A-Wish-Upon-The-Gods-by Sarus LockhartLore: A discovery of an ancient Japanese temple, Kaguya's Temple; hidden underneath the ocean floor has lead archeologists to an unexpected expedition that revealed a once lost civilization. Despite being submerged, the massive ruins was hidden in deep silth, untill Professor Kenji Hasekawa accid...7.6k downloadsupdated 12 y ago
• VVampiresby Claw_518A new disease that turns people into Anti-Social Cannablistic Bloodsucking Vampires. -------------------------------------------------- FEATURES ·Nearly 40 custom symptoms & abliities ·Alternate ending ·Vampires ·Nonthing else ·That's pretty much it ·I don't know why I'm still writing ·Have Fun ·...7.6k downloadsupdated 12 y ago
• CCannibal Plagueby TrocaNeroA plague that causes people to mindlessly eat eachother like savages is emerging, will you use its potential to destroy humanity?7.1k downloadsupdated 9 y ago
• CCult of Nyarlathotepby MushyNyarlethotep roams this earth as a shape shifter spreading madness and chaos. Can you lead the cultist of Cthulhu and the other great old ones to world domination? I have plans for custom pop-ups but this is currently version 0.5. planning to add more content in the future This is my first public...7.0k downloadsupdated 9 y ago
• CCABIN FEVER 尸骨无存by 低调低调《尸骨无存》是由Eli Roth执导，Rider Strong、Jordan Ladd等主演的一部影片。 讲述了五名大学生好友决定在大学毕业之前疯狂的玩一回，于是选择了进入深山老林去度过最后一个学生时代的暑假。当他们坐在篝火旁大声唱歌 的时候，一个血肉模糊的人向他们靠近。它被一种不知名的食肉细菌（或是病毒）感染， 露出腐烂的肌肉和白色的骨头，像一具行尸走肉7.0k downloadsupdated 10 y ago

27 horror mods, most downloaded first. Each one has its own page here with what it needs to run and where its author publishes it; the files themselves stay with the author and are never re-hosted on this site.