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Minecraft Java 1.21 Mods

Browse 105 free mods for Minecraft Java 1.21 — popular picks include Hardcore Slots, GlobalHealth, Random Eventy.

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Hardcore Slots
1.21.1fabric

Hardcore Slots

In this mode, every time you take damage, one slot in your inventory becomes locked and can no longer be used.

75downloads
GlobalHealth
1.21

GlobalHealth

All players share one global health bar. Damage one, damage all. Heal one, heal all. If one player dies, everyone dies. Perfect for challenges, hardcore modes, and teamwork-focused gameplay as well as creating content and events.

71downloads
Random Eventy
1.21.11fabric

Random Eventy

When creating a new world you have a new button, there you can configure the randomness of your survival world!

69downloads
NotQuiteDead
1.21

NotQuiteDead

Become a zombie, husk, and drowned in survival!

65downloads
Endless Villages
1.21.11

Endless Villages

Every chunk is filled with villages, creating a unique survival experience focused on exploration and village-based gameplay so turn your Minecraft world into a place where only villages generate.

64downloads
Rule Breaker's Guide
1.21.8neoforge

Rule Breaker's Guide

Breaking open Minecraft for those who seek more in survival.

56downloads
SurvivalChallengesPlugin
1.21

SurvivalChallengesPlugin

The Survival Challenges Plugin is a Minecraft Spigot plugin for servers that adds 23 unique gameplay challenges to your survival adventure. Each challenge changes the way you play Minecraft Survival, making the game either easier or more difficult.

48downloads
DayNightFaction
1.18

DayNightFaction

A tactical survival plugin that forces players to choose between the light and the dark. Depending on their faction.

47downloads
Xtra Weapons
1.21.8neoforge

Xtra Weapons

This mod adds 10+ weapons, and they are all obtainable in survival minecraft!

43downloads
simulator infection  epidemic crisis
1.21

simulator infection epidemic crisis

apocalyptic zombie infection simulator that transforms servers into a pandemic survival experience. Features progressive infection spread, contaminated players, quarantined villages, multiple zombie variants, vaccine crafting, and crisis events.

42downloads
MaxTools
1.21

MaxTools

Perfect for a survival game with progression.

39downloads
Happy Ghast Platforms
1.21.6

Happy Ghast Platforms

Place blocks directly on your Happy Ghast so you can build mid-air from anywhere! No more sky pillars needed! No more ugly bridges in skyblock!

37downloads
Hardcore Tatoo
1.21.8neoforge

Hardcore Tatoo

This mod gives you a Tatoo on your Arm that shows you, your Health and Hunger

36downloads
The Infinytes
1.21.7

The Infinytes

The Infinytes is a Minecraft datapack that adds new powerful armors, items, and crafting mechanics using custom entities. All content is survival-friendly and designed to enhance the late-game experience. ---

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
mc is too ez
1.21.8neoforge

mc is too ez

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

27downloads
KyuTweaks
1.21.11

KyuTweaks

"Slight" Tweaks and Additions for vanilla survival.

21downloads
Above The Leaves: Survival
1.21.1

Above The Leaves: Survival

You can only walk on leaves! Touch the ground and you will die through it.

19downloads
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!

18downloads
VoxPopuli
1.18

VoxPopuli

VoxPopuli is the ultimate safeguard for your survival world. Tired of friends sneaking in commands? Every restricted command now triggers a democratic vote: the people decide its fate!

17downloads
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

7downloads
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 […]

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 […]

Cryptid Data Pack (1.21.1, 1.21) – Survive The Deep Rhythm Of Fear
1.21.1

Cryptid Data Pack (1.21.1, 1.21) – Survive The Deep Rhythm Of Fear

Cryptid Data Pack is a Minecraft data pack that blends audio design, reactive world mechanics, and tense survival gameplay to deliver an experience unlike anything in vanilla Minecraft. Transforming Minecraft into a new horror experience. Features: Transform Minecraft into a horror survival game Screenshots: Cryptid Data Pack Download Links For Minecraft 1.21.1, 1.21 Download from […]

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 […]

B
1.21

bannapples!

This pack replaces Minecraft’s apples with bananas, giving players a fun twist on food items while keeping gameplay mechanics unchanged. It adds a playful visual change that makes survival and farming feel more unique without altering balance.

98downloads
R
1.21

RNGHearts

Add randomized heart counts to players! Features animated heart rolling, craftable Heart Dice items, and per-player persistence. Perfect for hardcore survival servers.

84downloads
E
1.21.6

Every Craft - 1

Dare to take on the ultimate challenge? This Minecraft datapack completely overhauls crafting by making almost every recipe output just 1 item, transforming your game into an intense test of resourcefulness and strategic survival.

61downloads
M
1.8

MeteorShowers

Survival-friendly random meteor shower events with warnings, craters, and loot

56downloads
S
1.21.11fabric

ScarBound

A simple survival challenge where avoiding damage matters and every mistake leaves a mark

38downloads
E
1.21.6

Every Craft - 16

Enhance your Minecraft experience with this datapack, designed to boost crafting efficiency by having almost every recipe output 16 items, providing a comfortable balance for your survival and building needs.

32downloads
[SNG] Dread Mechanica
1.21.1neoforge

[SNG] Dread Mechanica

Dark industry meets survival. Build vast Create factories, master tech power, fly planes & trains, cook & farm, and face horror-filled dungeons. Adventure, automation, and performance in one epic pack.

1.4kdownloads
Sentient Circuitry Resource Pack (1.21.1) – Eerie Mechanical Entities Staring
1.21.1

Sentient Circuitry Resource Pack (1.21.1) – Eerie Mechanical Entities Staring

Sentient Circuitry Resource Pack adds eerie facial expressions to Circuit and The Broken Script R2 elements. This pack transforms plain mechanical textures into unsettling digital entities that stare directly at you. It changes key models to give them a creepy, living presence during survival gameplay. Features: Adds expressive and haunting facial textures to Circuit models. […]