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Minecraft Java 1.21 Mods

Browse 422 free mods for Minecraft Java 1.21 — popular picks include [DISCONTINUED] Travis Takeover, Time Hunter, Pet Display.

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[DISCONTINUED] Travis Takeover
1.21.1neoforge

[DISCONTINUED] Travis Takeover

Its corruption messes with your survival.

118downloads
Time Hunter
1.21.5

Time Hunter

Time Hunter is a team PvP survival datapack where players compete by mining resources and eliminating foes to extend their countdown, with elimination on timeout, supporting 2-4 team battles and strategic combat.

116downloads
Pet Display
1.21.11fabric

Pet Display

Vanilla inspired inventory slot to show equipped pet for Hypixel Skyblock

114downloads
GrimTactics
1.21

GrimTactics

⚠️ Hardcore-only plugin. On non-hardcore servers, GrimTactics runs in passive mode and does not modify gameplay

108downloads
Terra utlima
1.21.9fabric

Terra utlima

Immersive survival modpack featuring new biomes, dangerous creatures, custom weapons, quests, realistic progression, thirst management, dynamic seasons, and advanced technology for a challenging, strategic, and captivating adventure experience.

105downloads
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!

105downloads
Renewable Survival
1.21.11

Renewable Survival

Makes All Items Renewable. Adds crafting or mob drops.

105downloads
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.

104downloads
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.

104downloads
SuperHardcore
1.21.11neoforge

SuperHardcore

A mod that enhances the survival experience by limiting your health and adds many more challenges.

104downloads
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.

102downloads
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.

102downloads
Turkish Lemon Cologne XP
1.21

Turkish Lemon Cologne XP

Ever wanted to clean up those mobs with some freshness? This resource pack changes the Experience Bottle (XP) into a classic bottle of Turkish Lemon Cologne. Perfect for a fresh start in your survival world!

100downloads
F&H survival
1.21.1neoforge

F&H survival

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

96downloads
PermaEfe
1.21.5

PermaEfe

PermaEfe is a Minecraft datapack that increases the difficulty progressively for 30 days, with mechanics such as permanent death, boosted mobs and unique craftables. Ideal to play with friends and test your survival.

94downloads
Simple Skyblock
1.21.1

Simple Skyblock

A datapack that adds a lot of unobtainable items to the skyblock experience.

94downloads
MONSTER_PLUGIN_1
1.21.1

MONSTER_PLUGIN_1

A CS:GO-style spin based colour ability SMP plugin with rare powers, secure boxes, and hardcore anti-grief protection.

92downloads
Petrova Wastelands
1.21.1neoforge

Petrova Wastelands

Petrova Wastelands: An Interstellar Odyssey In a universe where the stars are fading, heat is no longer a resource—it is your only hope for survival.

90downloads
Passive Mob Spawn
1.21.1neoforge

Passive Mob Spawn

Server-side NeoForge skyblock utility that lets passive mobs spawn on valid grass platforms at any height, with daytime checks, weights, caps, and debug logging.

89downloads
Silk Harvest
1.21fabric

Silk Harvest

Add the ability to get spawn eggs in survival from killing mobs using a silk touch tool.

86downloads
Survival Spawn Eggs
1.21.4neoforge

Survival Spawn Eggs

This project adds Spawn Eggs to Minecraft Survival Mode!

86downloads
PollutedLands
1.21.4

PollutedLands

PollutedLands adds a dynamic pollution system where over-mining and exploitation in a chunk leads to environmental decay, corrupted mobs, and eerie visual effects, creating a harsher, more immersive survival experience.

86downloads
Charged Creepers
1.21.8neoforge

Charged Creepers

Adds dynamic natural spawning for Charged Creepers. The spawn rate increases on Hard and reaches 8% in Hardcore for an extreme challenge!

81downloads
ProgressionWaveArena
1.21

ProgressionWaveArena

A solo wave-survival arena plugin for Paper servers — fight through endless, scaling mob waves across randomly selected schematic arenas, earn loot and coins, and compete on a persistent leaderboard.

81downloads
Wither Survival
1.21

Wither Survival

Every mob turns into Withers. Try to beat the game

80downloads
Gear Grinder
1.21.1neoforge

Gear Grinder

A Create-Aeronautics focused survival pack with extra hard difficulty. Tougher mobs, smarter AI, no waystones, no TPA, items drop on death.

79downloads
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!

79downloads
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

77downloads
Tricky Trolls
1.21.1neoforge

Tricky Trolls

This Mod Adds 2 Trolls To minecraft and custom armor and blocks all obtainable in survival!

76downloads
No Totems
1.21.1

No Totems

Removes totems from the evoker loot table, making them impossible to get in survival. perfect for servers if you want to ban totems

76downloads
Craft or die
1.21.1neoforge

Craft or die

The cool post-apocalyptic crafting survival experience, inspired by the Roblox game "Bake or Die"!

71downloads
ArneLifesteal
1.21

ArneLifesteal

Lifesteal+ is a competitive PvP plugin where players gain hearts by killing others and lose hearts on death. With crafting, revive mechanics, withdraw system, and GUI-based settings, it creates a high-stakes survival experience perfect for SMP servers.

71downloads
HARD NEW
1.21.1neoforge

HARD NEW

A technologically advanced game with a focus on realism! Shaders, automation, smart NPCs, hundreds of animals, and hardcore bosses. Explore this vibrant world with your friends using the built-in voice chat.

69downloads
Escalating Hardcore Mode
1.21.5

Escalating Hardcore Mode

This is a datapack that drastically increases the difficulty of your game.

69downloads
WorldStudios' Stoney Bois
1.21.4neoforge

WorldStudios' Stoney Bois

Brings some stone blocks to life.

68downloads
NotQuiteDead
1.21

NotQuiteDead

Become a zombie, husk, and drowned in survival!

67downloads