Minecraft Java 1.21 Mods
Browse 591 free mods for Minecraft Java 1.21 — popular picks include Mitos Argentinos, KT's Jungle Worldgen, RPGSouls.
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Mitos Argentinos
A survival and adventure mod that brings the myths and legends of Argentine folklore to your Minecraft world. / Un mod de supervivencia y aventura que trae los mitos del folclore argentino.
KT's Jungle Worldgen
Modifies worldgen to create a lush, tropical world with vanilla and Twilight Forest biomes. Perfect for themed dinosaur, bug-infested, or jungle survival modpacks.
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.

Pixel Earth's Enchanted Survival
A modpack designed to make Minecraft survival more fun, immersive, and rewarding with improved exploration, world generation, and gameplay features.
EonIceAge
EonIceAge plugin Cold, winter & survival mechanics
JAD OC's
JAD MOD: Master survival with my OCs! Explore new dimensions, use powerful potions, and freeze time with a single click. The classic adventure is back!
Breached
Breached is a competitive Minecraft survival mod inspired by Rust, built for players who enjoy looting, PvP, raiding, and base-building. It keeps much of Minecraft’s core survival identity, but adds unique systems that force raiding/basing/PVP.
Blocked In Hardcore
A challenging version of the Blocked In datapack
Glassification
Glassification transforms the entire world into fragile glass, removing structural safety and leaving survival to pure mechanical mastery.
Bani's Extended Survival
A smooth and optimized Fabric survival experience filled with new biomes, structures, dungeons, and ambience, perfect for adventure and exploration, solo or with friends.
RevivalRpMods
A Minecraft 1.21.8 modpack for roleplay servers. Adds new biomes, dungeons, RPG skill trees, building blocks, and tech mods for survival and adventure.
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.
Sylvara
Sylvara is a Vanilla+ modpack that enhances Minecraft with lush new terrain and world generation, while keeping performance smooth and optimized. It’s the perfect blend of fresh exploration and classic survival.
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.
PLASTIC CRAFT
A unique expansion that introduces versatile plastic materials, custom building blocks, and tools to upgrade your Minecraft survival experience.
Advanced Crafting
This datapack allows players to craft items in Survival mode that are normally only available in Creative mode or cannot normally be obtained. Instead of needing to ask a server owner or administrator to give you these items
Better Adventure Mode
This mod turns your survival mode into the ultimate adventure mode, built for exploration instead of creation.
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.
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)
CoSMP
Welcome to CoSMP, a Cobblemon-powered survival experience where trainers and adventurers come together in a world full of exploration, competition, and discovery.
SkyBlock But Better!
Vanilla Friendly Challenge!
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.
Schematicon
A creative planning dimension for builders. Switch from survival to creative and back with fully separate inventories and no balance disruption.
mutationcraft-plus
Adds 24 random world mutations that completely change Minecraft every 5 minutes, making every survival adventure unique.
AtlantMC
A vanilla+ Minecraft modpack focused on visuals, animations, and world generation while still keeping the classic survival feel.
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.
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.
AddaOneCore
All-in-one core plugin for SMP, Survival, PvP, and multi-world servers with essentials, protection, permissions, and world management.
Survival Expanded
This mod adds lots of new vanilla-style features. Made using MCreator
Crusted Gears
This modpack transforms your Minecraft survival into a massive industrial and exploration journey. It forces you to rethink automation from basic gears to quantum lasers while exploring colossally overhauled dungeons and realistic mountain ranges
Smart warnings
Smart Warnings is a lightweight utility mod that provides intelligent survival alerts without cluttering gameplay. Get notified when night falls or when your inventory is almost full, helping you stay focused on exploration and survival.
Random Eventy
When creating a new world you have a new button, there you can configure the randomness of your survival world!
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.
Meric's Wonderland
A large NeoForge 1.21.1 modpack focused on Create engineering, Aeronautics, exploration, world generation, food, decoration, and a richer survival experience.
Survival update
Hello, this mod is designed to improve the survival aspect of Minecraft. It's an unfinished version that will undergo changes over the coming months, but in its current version, it includes new double and small flowers that beautify the plains and forests.
Ore Uranium
Tired of the same old ores? Uranium Expansion introduces a versatile and radioactive mineral that changes everything you know about survival. In this mod, Uranium isn’t just a resource—it’s a lifestyle.