Minecraft Java 1.21 Mods
Browse 849 free mods for Minecraft Java 1.21 — popular picks include Border cell, FrediFrets-Challenges, Cozy Server Kit.
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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.
FrediFrets-Challenges
Add exciting Minecraft challenges like random drops, chunk effects, expanding borders, and hardcore modes – all controllable with simple commands.
Cozy Server Kit
Lightweight server utilities for small survival servers: land claims, death chests, homes/TPA, starter kits, and more.
Ultimate Survival Expansion
This datapack adds 6 legendary swords with unique abilities! Perfect for players who want a faster and more exciting survival experience!
F&H survival
Dark fantasy survival mod that adds content from the game Fear and Funger
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.
Resource Minion Mod
Love the Minions on Hypixel Skyblock but wish you could have them in your own single-player world or private server? This is the Mod.
hypixel skyblock endstone protector timer
timer for hypixel skyblock endstone protector
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!)
Instant Breaker
This mod Adds a instant Break toggle for Singleplayer and Singleplayer ONLY and works for Hardcore Survival And Creative "NOT ON MULTIPLAYER"
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.
HardSet
A new world type alongside Survival, Creative, and Hardcore that makes hardcore truly enforced and tamper-resistant. No commands, no creative, no cheats, and no loading a backup to undo a death.
Survival Spawn Eggs
This project adds Spawn Eggs to Minecraft Survival Mode!
God Bird Feather Flight
A feather gives you flight in survival (it's scuffed af)
Single Heart
A hardcore minigame datapack where each death costs a heart and Spectator Mode is permanent unless revived by command.
Infernal Forge
Adds an exclusive infernal blast furnace with custom fuel and speed for survival servers.
Blastable Calcite
Adds the ability to craft calcite by smelting dripstone blocks in a blast furnace
Wither Survival
Every mob turns into Withers. Try to beat the game
Respecting Hardcore
Tired of being dead in hardcore after first death? Not a problem anymore!
Mastrful's Biome Wands
Adds a craftable wand to change areas to any biome. Survival-friendly and compatible with mods.
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.
Inventaire Amélioré
Adds new ores, armors, unbreakable blocks, a custom dimension, and more to expand your Minecraft survival experience.
Nether Fortress Compass
A survival-friendly compass earned from Ruined Portal chests that points to the nearest Nether Fortress. 从废弃传送门箱子获得指南针，直达最近的下界要塞。
Veteran Difficulty
Mod for long-term players who think Minecraft is too easy. I made this mod for my own survival world and decided to publish it. It targets systems that fundamentally break the long-term fun of the game.
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.
Nuclear sewage-核污水
This is a data pack that can be used for island survival, players will get poison and nausea when they touch water, and after drinking the water lung potion, they will be immune to poison and nausea, and of course, players can take a boat without harm!
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.
Hardcore Extra's
A plugin designed for adding extra options for when dying, such as lives or death bans.
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
Drop Guard
A Mod For Hypixel Skyblock That Stops You From Dropping Items Unless Your In The Inventory
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.
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.