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Minecraft Java 1.21 Mods

Browse 127 free mods for Minecraft Java 1.21 — popular picks include Soul Alchemy, 简易生存 Simple Survival, DisasterSurvival.

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Soul Alchemy
1.21.4

Soul Alchemy

This datapack was originally created as a way for the player to modify their own attributes in a Survival world. This datapack has since expanded to a couple more things to do with the player modifying themself of close items/objects.

176downloads
简易生存 Simple Survival
1.20.5fabric

简易生存 Simple Survival

I added over 100 recipes! 【Breaking the balance】

174downloads
DisasterSurvival
1.21.1fabric

DisasterSurvival

Survive over 20 unique natural disasters in singleplayer or multiplayer. Random disasters, generated maps, loot, and intense survival gameplay.

170downloads
Mobs Drop Their Abilities
1.21.4fabric

Mobs Drop Their Abilities

Defeat mobs and steal their powers! Unlock unique passive abilities like flight and teleportation, or use active items like the explosive Detonator. Transform your survival experience by using the monsters' own strengths against them.

168downloads
GreatCompactors
1.21

GreatCompactors

Plugin for Personal Compactors from Hypixel Skyblock

153downloads
Ghastling
1.21.6

Ghastling

Ghastling is a survival-friendly plugin for Paper 1.21.6+ that lets players keep Baby Happy Ghasts (Ghastlings) as permanent pets. Prevent them from growing up, improve their AI, and build a bond through snowball interactions!

143downloads
Cristalline
1.21.11fabric

Cristalline

This mod add an all new mechanic to ametyst by giving the opportunity to grow electricity powered crystals and make new items for survival.

141downloads
Speakeasy Enchantments
1.21.1neoforge

Speakeasy Enchantments

Enchantments heavily inspired by Hypixel Skyblock

139downloads
The Classes Mod: Reborn
1.21.4neoforge

The Classes Mod: Reborn

The Classes Mod: Reborn(TCM: Reborn) is a reimagined version of my mod TCM. It adds custom abilities that are geared toward PVP and survival PVP using a system called classes which you pick at the start of the game.

139downloads
Custom Hyperion
1.21.1fabric

Custom Hyperion

This project adds a Hyperion concept, just very different and survival friendly (not OP)...

129downloads
NecroCore
1.21

NecroCore

Transform your hardcore experience with a second chance system - concussion mechanics instead of instant death!

127downloads
SYSTEM SMP
1.16

SYSTEM SMP

System SMP is a premium Minecraft plugin designed for survival multiplayer servers. It adds unique features including small caps text formatting, tree felling mechanics, custom item displays, and an economy-based spawner mining system.

121downloads
Super Hardcore
1.21

Super Hardcore

A datapack that makes hardcore actually hard. You now only have 5 hearts and you take damage from a fall taller than 2 blocks.

121downloads
Tithe
1.21.11fabric

Tithe

A Hardcore multiplayer mod in which death is a debt. The living can pay a tribute to bring back the fallen.

120downloads
Defense of the Craft
1.21.1fabric

Defense of the Craft

Survival-oriented combat enhancement Dota 2 mod for Fabric Minecraft

120downloads
RPGSouls
1.21.8neoforge

RPGSouls

A hardcore RPG mod: collect souls from slain enemies, upgrade active skills, craft the Devourer set, and try not to lose everything upon death. / Хардкорный RPG-мод: собирай души, прокачивай навыки и крафть сет Пожирателя.

117downloads
Even More Totems
1.21.1fabric

Even More Totems

Totem Plus adds 16 special Totems and one Creative-only infinite Totem to Minecraft. Each Totem has its own unique survival effect.

113downloads
ShareCore
1.21

ShareCore

Shared Hardcore mechanics/hearts for Paper servers — damage, hunger, XP, potions, drowning, and death are synced between players.

113downloads
Blocked In Hardcore
1.21

Blocked In Hardcore

A challenging version of the Blocked In datapack

107downloads
PartsVitality
1.20.1

PartsVitality

A hardcore damage and healing system for Minecraft, inspired by "Escape from Tarkov."

107downloads
Disaster SMP
1.21

Disaster SMP

DMSP (Disaster Management System Plugin)Cinematic Natural Disasters for PaperMC 1.21+DMSP is not just a plugin; it's an environmental overhaul designed to challenge even the most seasoned survivalists.

101downloads
Time Bank
1.21

Time Bank

A hardcore survival plugin where players have limited lifespan based on real playtime. Time is tradeable as physical crystals, creating a unique time-based economy!

101downloads
TheConstant
1.21.10fabric

TheConstant

A Fabric mod that channels Don’t Starve–style hardcore survival into Minecraft: manage health, hunger, and sanity; survive seasons, temperature, darkness, and food spoilage with crock-pot cooking and recipe planning.

98downloads
Survival-Friend
1.16

Survival-Friend

prevents creeper block damage and crop trampling, enables portal based farms on SMP, offers /tpa features and global totem pop messages and the ability to make the ender dragon a bit harder.

97downloads
mutationcraft-plus
1.21.1fabric

mutationcraft-plus

Adds 24 random world mutations that completely change Minecraft every 5 minutes, making every survival adventure unique.

87downloads
F&H survival
1.21.1neoforge

F&H survival

Dark fantasy survival mod that adds content from the game Fear and Funger

86downloads
Infernal Forge
1.21

Infernal Forge

Adds an exclusive infernal blast furnace with custom fuel and speed for survival servers.

80downloads
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
MC Unbalanced World
1.20

MC Unbalanced World

A great overhaul to survival progression, adds 30+ hours of content, to enjoy alone or with friends

69downloads
Selective Creative Inventory
1.21.1neoforge

Selective Creative Inventory

Give selected players the creative inventory while keeping health, hunger, damage, flight restrictions, item consumption, and the rest of survival gameplay.

66downloads
NucleCore
1.21.11

NucleCore

NucleCore is an ultra-light PR survival plugin that introduces the complete management of a nuclear sector.

65downloads
Notch Apple Recipe Restored
1.21.11

Notch Apple Recipe Restored

This Datapack adds the Ability to craft Enchanted Golden Apples in Survival Minecraft using 8 Blocks of Gold and 1 Apple.

63downloads
Weathering Totems
1.21.11

Weathering Totems

Survival friendly weather controls through craftable totems.

58downloads
PeaceSMP
1.21.11fabric

PeaceSMP

A server-driven alignment mod introducing an advanced Karma tracking system, and game-changing combat abilities for survival multiplayer.

57downloads
ManaFont
1.21

ManaFont

ManaFont is simple mana system inspired by Hypixel Skyblock.

50downloads