Minecraft Java 1.21 Mods
Browse 862 free mods for Minecraft Java 1.21 — popular picks include Cozy Server Kit, Inventaire Amélioré, Ultimate Survival Expansion.
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Cozy Server Kit
Lightweight server utilities for small survival servers: land claims, death chests, homes/TPA, starter kits, and more.
Inventaire Amélioré
Adds new ores, armors, unbreakable blocks, a custom dimension, and more to expand your Minecraft survival experience.
Ultimate Survival Expansion
This datapack adds 6 legendary swords with unique abilities! Perfect for players who want a faster and more exciting survival experience!
Survival Enhancements
Tons of survival enhancements that only try to improving existing things, and not add new mechanics. Supports 1.21.8 (1.21.9 and 1.21.10 coming soon!)
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.
The Great Nether Challenge
A mod designed to be a new challenge and experience for streamers, youtubers, friends, whomever! It has a progressive episode and phase system to bring survival to it's highest level.
FrediFrets-Challenges
Add exciting Minecraft challenges like random drops, chunk effects, expanding borders, and hardcore modes – all controllable with simple commands.
Escrow Autobuilder
IOUEscrow is a vanilla/survival friendly schematic and autobuilder mod that allows you to pair creative world planning with honest survival gameplay.
Selective Creative Inventory
Give selected players the creative inventory while keeping health, hunger, damage, flight restrictions, item consumption, and the rest of survival gameplay.
Border cell
This data pack makes survival more interesting. It’s a reimagining of the survival map set in the Barrier, but with unique mechanics and random elements-after all.
Infernal Forge
Adds an exclusive infernal blast furnace with custom fuel and speed for survival servers.
Silk Harvest
Add the ability to get spawn eggs in survival from killing mobs using a silk touch tool.
Survival Spawn Eggs
This project adds Spawn Eggs to Minecraft Survival Mode!
Honest Hardcore
No second chances. No fake Hardcore. This mod disables spectating after death in hardcore and invalidates all advancements if you ever cheat.
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.
Itemstacking
Stop item lag on your survival server! Stacks blocks and items beyond the standard 64 limit on the ground with customizable visual tags, smart hopper support, and automatic water-flow merging.
Hardcore compatability for Epic Death Screen
Enable in hardcore mode for Neoforge version
FFPackage Survival Fixes
Fixes many broken features in the FFP mod, also adds crafting recipes to some items that did not previously have them in the Fazbear Franchise Package Mod, making creating endoskeletons in survival no longer completely impossible.
Hardcore Item Revive
This project adds the functionality to revive a player on a hardcore server by right clicking a nether star and then choosing the player you want to revive. (Ensure "hardcore" is set to true in server.properties before creating the server)
No Coal
This mod removes all coal from Minecraft, so you can’t mine it, find it, or use it as fuel. It makes early-game survival way harder since torches and smelting become a real struggle.
HardcoreSystem
A lightweight, modern, and highly customizable hardcore system per player.
No Chestplate
This mod removes all chestplates from Minecraft, so you can’t craft, find, or wear them. You lose the strongest armor slot in the game, making survival way more dangerous.
Blastable Calcite
Adds the ability to craft calcite by smelting dripstone blocks in a blast furnace
Charged Creepers
Adds dynamic natural spawning for Charged Creepers. The spawn rate increases on Hard and reaches 8% in Hardcore for an extreme challenge!
Hardcore Slots
In this mode, every time you take damage, one slot in your inventory becomes locked and can no longer be used.
Lemony's Survival modpack
This is the Lemony Minecraft server modpack, adding performance, visuals, and new mechanics. It can also be used outside the server.
Legit sleep
Skip day or night in survival without using /time set or cheats.
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.
Mastrful's Biome Wands
Adds a craftable wand to change areas to any biome. Survival-friendly and compatible with mods.
God Bird Feather Flight
A feather gives you flight in survival (it's scuffed af)
Wither Survival
Every mob turns into Withers. Try to beat the game
Single Heart
A hardcore minigame datapack where each death costs a heart and Spectator Mode is permanent unless revived by command.
Respecting Hardcore
Tired of being dead in hardcore after first death? Not a problem anymore!
Random Eventy
When creating a new world you have a new button, there you can configure the randomness of your survival world!
Final Destination HUD
It adds a kill tracker for final destination armor in hypixel skyblock, visible on the HUD
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.