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Minecraft Java 1.21 Mods

Browse 58 free mods for Minecraft Java 1.21 — popular picks include Survival+, mc is too ez, [Hardcore+] You sure that's a passive mob?.

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Survival+
1.21.9

Survival+

Survival+ is a datapack that adds difficulty and suprise to Minecraft again. By adding tougher enemies and cool unique items. Along with a bunch of new mechanics and reworks of some old ones, causing you to relearn Minecraft in a whole new way!

35downloads
mc is too ez
1.21.8neoforge

mc is too ez

A survival difficulty mod that makes Minecraft harder, more punishing, and less forgiving.

31downloads
[Hardcore+] You sure that's a passive mob?
1.20

[Hardcore+] You sure that's a passive mob?

This plugin will add challenge where players must becareful with the animals around them

31downloads
Monster Rework
1.21.11

Monster Rework

A datapack which reworks monsters and their spawning while also while also adding survival elements. All to make the game a more interesting experience.

30downloads
KyuTweaks
1.21.11

KyuTweaks

"Slight" Tweaks and Additions for vanilla survival.

22downloads
Squid Improvements
1.15

Squid Improvements

Squids and Glow Squids will give effects when you try to attack them! Survival friendly addition to vanilla worlds

8downloads
Zombie Nightmare Expansions Mod (1.21.1, 1.20.1) – Undead Horror Monsters
1.21.1forge

Zombie Nightmare Expansions Mod (1.21.1, 1.20.1) – Undead Horror Monsters

Zombie Nightmare Expansions Mod adds multiple high-detail undead creatures with different mechanics, combat styles, and special drops. The mod is designed for horror, zombie apocalypse, RPG, and hardcore gameplay packs. Features: Undead Mobs Disemboweler Large heavy zombie variant Targets players and cows High melee damage Drops Deathly Heart Tormented Zombie Disguises itself as a normal […]

Dark Mist Mod (1.21.4, 1.20.1) – Descend Into The Unknown
1.21.4neoforge

Dark Mist Mod (1.21.4, 1.20.1) – Descend Into The Unknown

Dark Mist Mod is a horror-focused Minecraft mod that adds a midnight hunter entity and dark atmospheric events. The mod centers on tension, limited visibility, strange structures, and survival guidance through in-game audio items. Features: Main Entity The Obscured is a hostile darkness-based creature Appears mainly around midnight Silent and persistent hunter behavior Cannot be […]

Grim and Bleak Mod (1.21.1, 1.20.1) – Place Where No One Lives
1.21.1

Grim and Bleak Mod (1.21.1, 1.20.1) – Place Where No One Lives

Grim and Bleak Mod is an ambience-focused mod that blends exploration, survival mechanics, and dark atmosphere. It introduces a shadowy dimension called Limbo, filled with hostile creatures, rare resources, and high-risk progression. Actions taken inside Limbo can also affect the Overworld. Features: New dark dimension called Limbo with unique biomes and enemies Atmosphere-focused semi-horror gameplay […]

Cursed Difficulty Mod (1.21.11, 1.20.1) – Harder Game Difficulty
1.21.11neoforge

Cursed Difficulty Mod (1.21.11, 1.20.1) – Harder Game Difficulty

Do you remember the first time you played survival mode? On your first survival night, you probably had to hide in a small cave to protect yourself from hostile mobs. But as you progressed further into the game, you obtained high tier armor and weapons with powerful enchantments. At this stage, hostile mobs that spawn […]

Death Angels Mod (1.21.1, 1.20.1) – A Terrifying Survival Experience
1.21.1forge

Death Angels Mod (1.21.1, 1.20.1) – A Terrifying Survival Experience

Death Angels Mod is a horror-themed mod that introduces sound-sensitive monsters inspired by the creatures from A Quiet Place. These terrifying entities hunt players based on noise, adding a new layer of suspense and strategy to survival gameplay. Features: Monsters react to player-generated noise, making stealth crucial for survival Introduces new creatures, including Death Angels, […]

Lullaby's Mobs Data Pack (1.21.5, 1.21.3) – A New Wave Of Nightmares
1.21.5

Lullaby's Mobs Data Pack (1.21.5, 1.21.3) – A New Wave Of Nightmares

Lullaby's Mobs Data Pack introduces a variety of custom hostile mobs to challenge your survival skills. Each creature brings unique behaviors, abilities, and designs to keep you on your toes. Whether lurking in the dark or ambushing in broad daylight, these new foes turn every adventure into a true test of courage. Enjoy playing this […]

The Wandering Murderer Mod (1.21.5, 1.21.1) – Hidden Horror, Dark Humor, And Deadly Milk
1.21.5fabric

The Wandering Murderer Mod (1.21.5, 1.21.1) – Hidden Horror, Dark Humor, And Deadly Milk

The Wandering Murderer Mod introduces a sinister twist to an innocent Minecraft character: the wandering trader. Kill one, and you'll trigger the wrath of the Milkman Reborn, a disguised boss-level mob who will hunt you for two days before rewarding your survival with a powerful weapon, Milkman’s Sword. Features: Adds a hidden boss encounter triggered […]

Gigeresque Mod (1.21.1, 1.20.1) – Biomechanical Terror
1.21.1neoforge

Gigeresque Mod (1.21.1, 1.20.1) – Biomechanical Terror

Gigeresque Mod transforms Minecraft into a haunting and thrilling survival horror experience. By introducing creatures and elements inspired by H.R. Giger's iconic designs, this mod adds a layer of fear and excitement that stands out from typical gameplay. Deep underground, players can stumble upon black monolithic structures, ominous and foreboding in their design. These dungeons […]

Lost In The Caves
1.21.1forge

Lost In The Caves

Mod about survival in caves ONLY.

1.5kdownloads
In Silence - Horror
1.21fabric

In Silence - Horror

In Silence is a multiplayer co-op survival game in which 1 player becomes a monster that seeks out the other players. This map is an in-depth recreation of the game, including flashlights, noisemakers, and of course, the monster!

1.1kdownloads
Echo of the Void
1.21.1neoforge

Echo of the Void

A survival horror experience shaped by community feedback, combining uncanny creature variants, reality-breaking events, and oppressive audio with a true objective: assemble the altar and overcome the presence consuming your world.

578downloads
Night and Day (NAD)
1.21.10neoforge

Night and Day (NAD)

A flipped or inverse Vanilla Experience of horror and herds where creatures that once feared daylight now thrive in it, while the night becomes oddly “safe.”

234downloads
Fractured Equilibrium Mod (1.21.1, 1.20.1) – Survive Chaotic Nightmares
1.21.1

Fractured Equilibrium Mod (1.21.1, 1.20.1) – Survive Chaotic Nightmares

Fractured Equilibrium Mod turns your peaceful world into a chaotic nightmare where the moon slowly fades away. As the night sky darkens, dangerous monsters begin to spawn and wait for the right moment to strike. Strange random events disrupt your daily survival and can even break your builds. The mod keeps you alert with eerie […]

Infernal Kinetic Dread Modpack (1.21.1) – Build Machines Survive Horrors
1.21.1

Infernal Kinetic Dread Modpack (1.21.1) – Build Machines Survive Horrors

Infernal Kinetic Dread Modpack combines complex mechanical engineering with chilling survival horror to test your nerves. Build huge automated factories and moving contraptions while terrifying monsters stalk you from the dark shadows. Stay alert at all times because dangerous entities like Herobrine watch your every move. Features: Spooky Engineering: Build working machines, gears, and factories […]

Hollow Altar Rite Mod (1.21.1) – Survive Escalating Psychological Nightmares
1.21.1

Hollow Altar Rite Mod (1.21.1) – Survive Escalating Psychological Nightmares

Hollow Altar Rite Mod transforms your world into a tense survival horror setting with eerie creatures and reality-breaking events. It focuses on slow psychological pressure and strange sounds rather than unfair one-hit attacks or cheap jumpscares. The mod introduces a phase-based progression system where strange occurrences escalate as days pass. You must survive disturbing phenomena, […]

Aftershock Mod (1.21.1, 1.20.1) – Horror Desert Monster from The Movie Tremors
1.21.1

Aftershock Mod (1.21.1, 1.20.1) – Horror Desert Monster from The Movie Tremors

Aftershock Mod brings the American Graboid lifecycle to life, allowing you to experience the thrill of facing off against these formidable creatures in the dirt and sand. Get ready to be fully immersed in a world where survival means staying one step ahead of these deadly predators. Based on the Tremor series, this mod adds […]