Minecraft Java 1.21 Mods
Browse 131 free mods for Minecraft Java 1.21 — popular picks include Heartcore Mode, Drop & Grow, Vanilla Plus by TheW4NT.
Updated daily
Heartcore Mode
A Gamemode easier than Hardcore but harder than Survival. Ten Lives, lose a heart on death. Enjoy! Icon was originally made in Icons8 but then altered by me.
Drop & Grow
Automatically plants dropped saplings. A great quality-of-life feature for clean inventories and farm automation that fits perfectly into vanilla survival
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 !
Custom Hyperion
This project adds a Hyperion concept, just very different and survival friendly (not OP)...
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.
Schematicon
A creative planning dimension for builders. Switch from survival to creative and back with fully separate inventories and no balance disruption.
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)
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.
CobbleBeta
This modpack combines Cobblemon with Minecraft Beta 1.7.3 to create a nostalgic Pokémon survival experience, featuring classic terrain generation, old-school gameplay mechanics, and a simplified modded environment.
Glassification
Glassification transforms the entire world into fragile glass, removing structural safety and leaving survival to pure mechanical mastery.
Skylife
A Skyblock with the goal to make everything different (at least a bit)
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.
Nomadic Realms
Nomadic Realms offers a primitive survival experience. Logs are tough, so use flint; but wood tools are extra weak. Chests, furnaces, and loot must be found with exploration. Death randomizes respawn, but the new Ender Chest is now vital for all valuables.
RealityShift
Make every day a new adventure! RealityShift activates a random anomaly daily from a pool of 50+ unique events, completely changing the rules of survival.
Oneblock-Dirt
A minimalist oneblock survival plugin that generates infinite dirt blocks
mutationcraft-plus
Adds 24 random world mutations that completely change Minecraft every 5 minutes, making every survival adventure unique.
EonIceAge
EonIceAge plugin Cold, winter & survival mechanics
Blocked In Hardcore
A challenging version of the Blocked In datapack
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.
PLASTIC CRAFT
A unique expansion that introduces versatile plastic materials, custom building blocks, and tools to upgrade your Minecraft survival experience.
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.
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
![One Life [NanoVirus]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/modrinth/146319.webp)
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)
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.
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.
Random Eventy
When creating a new world you have a new button, there you can configure the randomness of your survival world!
Escrow Autobuilder
IOUEscrow is a vanilla/survival friendly schematic and autobuilder mod that allows you to pair creative world planning with honest survival gameplay.
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.
真正的极限模式
Locks cheats, encrypts worlds, and detects save rollbacks to keep Hardcore mode truly fair.
SkyfunUtils
An Ex Nihilo-inspired Slimefun addon that bridges the gap in finite world genre like Skyblock with custom sieving, hammering, and resource generation mechanics.
Better Hardcore Datapack
Completely overhauls Hardcore mode to be true danger.