Minecraft Java 1.21 Mods
Browse 862 free mods for Minecraft Java 1.21 — popular picks include Skylife, Minecraft But There Are RPG's, Soul Alchemy.
Updated daily
Skylife
A Skyblock with the goal to make everything different (at least a bit)
Minecraft But There Are RPG's
Five rocket launchers. One mission. Maximum destruction. Craft your way from a humble iron tube to a reality-warping Neon Launcher — fully survival-friendly, fully explosive.
Soul Alchemy
This datapack was originally created as a way for the player to modify their own attributes in a Survival world. This datapack has since expanded to a couple more things to do with the player modifying themself of close items/objects.
ReddishTheBest's Survival Additions | RSA
Datapack with a few survival-centered additions. Crafting Table+, Multi-Tool, Diver's Helmet with more to come!
Apex Plugin
Apex SMP is a Minecraft plugin that adds 9 unique classes, each with their own abilities, strengths, and weaknesses. Players can craft and unlock powerful Apex Classes, creating new strategies for PvP and survival. Designed for SMP servers, Apex SMP makes
ULTIMATE SMP LITE
A lightweight SMP utility plugin with homes, teams, TPA, scoreboard, and realistic tree gravity. Designed for clean, simple, performance-friendly survival servers.
EntropyMod
EtiesChallengesMod is a small but powerful Fabric mod that makes your Minecraft experience more challenging with unpredictable challenges. Perfect for making your survival world more difficult and starting a fun speedrun with friends or alone.
Styzex's ultra hardcore
This datapack disables the diamond armour recipes and limits the player to have only 3 hearts
Vanilla Plus by TheW4NT
This is a modpack that adds and alters mechanics and structures from vanilla Minecraft, making survival more challenging and offering a world with a wider range of exploration without being excessive.
Elomod
An expensive survival & tech mod adding cameras, monitors, thermal vision, new ores, and more !
Blocks spawn mobs
This plugin turns harmless digging into hardcore survival – for every broken block, the world responds with a fierce invasion of hostile creatures. Are you ready for endless waves of darkness, or will you fall under the onslaught of monsters?
Delayed Craft
When Crafting Netherite gear, you get marked for a hunt for 10m (glow, location revealed every 30s). Ends on death or survival.
Simple Saddle and Leash
A simple datapack for crafting a saddle and leash in survival.
Hardcore Death
A paper plugin which deletes a player inventory upon death
Custom Hyperion
This project adds a Hyperion concept, just very different and survival friendly (not OP)...
YVtils Regions
YVtils Regions is a plugin for survival servers that allows players to create and manage their own regions. It supports customizable flags with global or role-based permission levels for fine-grained control.
HomesGUI-Plugin
A simple and clean Homes GUI plugin for survival servers.
Advanced Redstone Expansion
Advanced Redstone Expansion adds sleek, survival-balanced redstone blocks, wireless quantum channels, configurable timers, smart filtering hoppers, and optional omni-directional redstone dust output.
Ashen World
A Fallout-inspired survival mod for NeoForge that introduces radiation, mutations, contaminated environments, chem crafting, and dangerous evolutionary changes to your Minecraft world.
WT SkyGrid
A modern Sky Grid world generation mod for Minecraft 1.21.X where blocks are placed in a 3D grid pattern, floating in the void. Every block is random — ores, wood, lava, chests, spawners — making for a unique survival challenge where every block counts.
Spatial Relics
Adds a collection of spatial relics that complement vanilla mechanics and enhance the survival experience.
Schematicon
A creative planning dimension for builders. Switch from survival to creative and back with fully separate inventories and no balance disruption.
Vitality Overhaul
A survival overhaul that slows hunger drain, replaces sprint stamina with the oxygen bar, and ties health regeneration to your food level.
Simple Lore
Allows to change an item description in survival mode
Block4Block Plugin - Game Mode
(Required Plugin) Survival mode with a unique cost to breaking blocks.
GreatCompactors
Plugin for Personal Compactors from Hypixel Skyblock
A Hardcore Plus Plugin
A Plugin that enhances the Minecraft hardcore gamemode.
BlockHardness | Custom Block Breaking Mechanics
Hypixel Skyblock inspired block breaking system
Bedrockite
This mod adds a survival friendly but a hard way to destroy bedrock. It adds a material called bedrockite which can be used to upgrade a netherite pickaxe to a bedrockite pickaxe (which can mine bedrock)
Speakeasy Enchantments
Enchantments heavily inspired by Hypixel Skyblock
Breached (Standalone)
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.
LightPlus
A Simple Plugin that Adds Functions to Light Blocks in Survival
/show plugin
A plugin that allows players to do /show and it will show the item they were holding in chat like the skyblock command.
Ghastling
Ghastling is a survival-friendly plugin for Paper 1.21.6+ that lets players keep Baby Happy Ghasts (Ghastlings) as permanent pets. Prevent them from growing up, improve their AI, and build a bond through snowball interactions!
Bone Block Shortcut
Make Bone Blocks directly from Bones
Trade Less
This data pack stops all villagers from selling emeralds Perfect for servers with a tight economy or a more challenging survival experience