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Minecraft Java 1.21 Mods

Browse 3,821 free mods for Minecraft Java 1.21 — popular picks include Candles Modpack for Hypixel Skyblock, 10% Opacity Totems, Heartcore (Hardcore Alternative).

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Candles Modpack for Hypixel Skyblock
1.21.5fabric

Candles Modpack for Hypixel Skyblock

client-side modpack made around Hypixel Skyblock

100downloads
10% Opacity Totems
1.13

10% Opacity Totems

10% Opacity totems for pvp and survival worlds

99downloads
Heartcore (Hardcore Alternative)
1.21.1fabric

Heartcore (Hardcore Alternative)

(Made for the Heartcore modpack.) Is hardcore too annoying, and survival too easy? Than this mod is for you! Lose hearts after death, regain them by eating a Homunculus Heart!

99downloads
Red-Light Green-Light Challenge
1.21

Red-Light Green-Light Challenge

A high-intensity Red Light Green Light game inspired by Squid Game, where movement detection and timed phases create a thrilling survival challenge.

99downloads
CampFirePlus
1.21

CampFirePlus

Level-up campfires: fuel, grow power, immersive survival.

99downloads
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
Skyblock Itemtracker
1.21.11fabric

Skyblock Itemtracker

This mod adds a system that tracks every time you get an item in Hypixel Skyblock for the first time.

98downloads
Celestial Skyblock
1.21.5fabric

Celestial Skyblock

A mod pack for hypixel skyblock with QoL

98downloads
One Life [NanoVirus]
1.21.5

One Life [NanoVirus]

You have only one life (Like in hardcore) but also after your death a corpse is spawn (Last thing that they will have after you)

98downloads
CoSMP
1.21.1fabric

CoSMP

Welcome to CoSMP, a Cobblemon-powered survival experience where trainers and adventurers come together in a world full of exploration, competition, and discovery.

97downloads
SpaceFrog's Cat Variant Changer
1.21.5

SpaceFrog's Cat Variant Changer

Change a cat's breed (variant type) using a vanilla/survival-friendly method. Choose from all kitty varieties: black, calico, jellie, orange (red), persian, ragdoll, shorthair, siamese, tabby, tuxedo, white & a special random type.

97downloads
Minecarts with Blocks
1.21.5

Minecarts with Blocks

put a block in a cart! survival friendly!

97downloads
qTonttuzz Pack
1.21.9

qTonttuzz Pack

This Resource Pack Is Made For PvP And Survival!

97downloads
InvFrame | [Skript] | Invisible frames for survial
1.18spigot

InvFrame | [Skript] | Invisible frames for survial

A simple script that allows toggling the invisibility of item frames. Friendly for Survival mode.

97downloads
Bamboo Unpack
1.21.5

Bamboo Unpack

Lets you cut Bamboo Blocks into Bamboo using a stonecutter. Simple and survival-friendly.

97downloads
SkyBlock But Better!
1.21.4

SkyBlock But Better!

Vanilla Friendly Challenge!

97downloads
Schematicon
1.21.1neoforge

Schematicon

A creative planning dimension for builders. Switch from survival to creative and back with fully separate inventories and no balance disruption.

96downloads
Survival Reworked
1.21.8fabric

Survival Reworked

This mod adds many custom ores, tools, armor sets, and items to the game

96downloads
Special Potions
1.21.11fabric

Special Potions

Adds new powerful potions with unique abilities like Fire, Ocean, Wind, Warden, Ender, Speed, and Strength effects for survival and PvP gameplay.

96downloads
25% Opacity Totems
1.13

25% Opacity Totems

25% Opacity totems for pvp and survival worlds

96downloads
Hero's Immersive VR
1.21.1fabric

Hero's Immersive VR

This project makes for a perfect, vanilla friendly, VR Co-Op survival experience.

96downloads
Extra bone Variants!
1.21.1neoforge

Extra bone Variants!

a mod that makes the skeleton variants drop unique bones, craftable to unique variants of bonemeal and bone blocks!

96downloads
Craftable Iron
1.21.2

Craftable Iron

A simple datapack that adds a crafting recipe for iron ingots. Originally made to skip the grind in skyblock.

96downloads
Good Survival Modpack
1.21.6fabric

Good Survival Modpack

Adds a bunch of visual mods with some technical to enhance yout survival playthrough!

96downloads
Item Discovery
1.21.8neoforge

Item Discovery

A small mod which lets survival players name all items whatever they want without imposing any pre-existing names.

96downloads
Pass the torch
1.21.4

Pass the torch

Ultra hardcore minecraft inspired from FlamingMoai's UHC: Generations, when you die the world will pass to a new player.

96downloads
Real Temp
1.21.1neoforge

Real Temp

A realistic client-side temperature survival mod with dynamic biomes, weather, altitude, armor insulation, and seasons. Survive freezing winters, scorching summers, and extreme climates with immersive environmental mechanics.

95downloads
(PSG) Project survival gila
1.21.11fabric

(PSG) Project survival gila

Modpack for people who are doing the PSG challenge

95downloads
CobbleGenerators
1.21.5

CobbleGenerators

Modifies how cobble generators work, good for the SkyBlock gamemode

95downloads
CampHealSURVIVE
1.21.5fabric

CampHealSURVIVE

A survival mechanic that turns campfires into healing sources inspired by Fortnite-style campfires.

95downloads
BYD_WORLD_ULTRA
1.21

BYD_WORLD_ULTRA

Vanilla Survival Server Basic Integration Plugin

95downloads
Proclamations
1.21.5

Proclamations

Proclamations is a Minecraft datapack that lets you add in-game announcements (using the /title command) to your Survival Mode builds.

95downloads
Survival Nerf
1.21.4

Survival Nerf

Minimalistic vanilla-flavored design and balance overhaul. Mostly reverting bad decisions the devs have made. Intended for use with Etomb's Better Survival modpack.

95downloads
Block4Block Plugin - Advancements
1.21.10

Block4Block Plugin - Advancements

(Recommended Plugin) Survival mode with a unique cost to breaking blocks.

95downloads
OBE x Hypixel Skyblock
1.20

OBE x Hypixel Skyblock

Adds textures for some Hypixel's Skyblock skulls so they can be optimized by OBE

94downloads
Stamina and Weight
1.21.1neoforge

Stamina and Weight

A configurable survival mod with two main mechanics: stamina and weight. Stamina affects movement and combat, while weight changes how equipment and items impact gameplay. Most features can be balanced through config files.

94downloads