Minecraft Java 1.21 Mods
Browse 3,796 free mods for Minecraft Java 1.21 — popular picks include Skyblock Challenge +, Inferno - Better Hardcore, Utopia SMP.
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Skyblock Challenge +
Spawn on a skyblock, and get as many advancements as you can to expand the worldborder. The game is beatable! Great for playing with friends!
Inferno - Better Hardcore
An enhanced hardcore experience | +300 Mods | +200 Quests | Shaders | Optimized
Utopia SMP
Built for UtopiaSMP: keep it vanilla, just better. Small mods, big polish, perfect for multiplayer survival.
Lifesteal SMP + Simple Voice Chat
Lifesteal mod and with proximity chat
Leather Crafting Recipe
A survival-friendly utility that allows players to refine rotten flesh into high-quality leather through a simple smelting or curing process.
Disasters Cataclysm
Disasters Cataclysm is a global disaster mod for Minecraft (Fabric) that turns survival into a real challenge. The world is no longer safe: the elements can strike at any moment, but they do it beautifully and naturally.
Atlantis: Fire Beneath Water
Classic underwater survival challenge map, now upgraded to Datapack | 经典水下生存地图数据包重制版《亚特兰蒂斯:水寒火暖》
Prison Escape - Beginnings (reborn)
Prison Escape - Beginnings reborn from the former abandoned project.
BlueLava
Made the Lava and Fire blue, mainly meant to be used for Hypixel SkyBlock.

One Click One Block (1C1B)
Adds a little delay after breaking the first block, so you won't accidentally break the next block with an instant mining tool.
Skyblocker Collections
[Hypxiel Skyblock Modpack (Not an official Hypixel product)] This modpack includes common clientside utilities along with the skyblocker mod.
Skyblock Bazaar Cleaner (Hypixel)
This mod aims at cleaning up the chat when interacting with the bazaar in Hypixel Skyblock.
Rarity Tooltips For Hypixel SkyBlock
A Rarity Tooltips Texture Pack For Hypixel SkyBlock.
Tiny Players
This data pack/mod makes every player extremely small! Fun for a survival challenge.
Infinitely Regenerating Blocks
A block that infinitely regenerates itself when broken, also drops random items every time.
Mobs Fear CampFire – HearthGuard
Hostile mobs fear lit campfires. Adds immersive mob AI and survival gameplay by making creatures panic, turn, and flee naturally.
Herobrine Boss Fight
Adds Herobrine Boss Fight to Survival Minecraft. Only for really skilled players.
MinCross
Minimalistic pvp/survival crosshair resource pack.
One Block Hardcore
A hardcore One Block modpack is a challenging survival experience where players start on a single block that regenerates endlessly. With permadeath enabled, every mistake matters as you progress through phases, unlock new resources, and face increasingly.
WT Endless Sky Adventures - SkyGrid Edition
Based off sethblings skygrid, with a hint of mods
Bigger Dot Crosshair - CrossX Better Crosshair
A better crosshair for pvp or survival minecraft !
XP Crystals
Store your XP in craftable crystals. Survival-friendly and tier-based: store 3, 10, 30, 50 levels—or infinite XP. Customizable
Atomic Delight Vanilla
MoZhI ArZaN’s professional Vanilla+ texture pack. Featuring Fresh Animations support, animated textures, and shader compatibility, it delivers a high-performance, visually enhanced experience optimized for survival and PvP.
Vanilla But Wrong
Vanilla but wrong is a Fabric psychological horror mod for singleplayer and multiplayer. One shared sanity system, adaptive Director events, trauma progression, and UI/audio corruption turn normal survival into a tense mind game.
Skyblock Mod (Fabric)
Helpful Features for Hypixel Skyblock for Fabric 1.17+
Default Gamemode
This mod let you change the default world gamemode (survival, hardcore, creative, spectator)
All About Origins - Powers & Classes & Races
Transform your Minecraft adventure with All About Origins, where each choice and ability defines your path and impacts how you explore and thrive in the game.
Available Reinforced Deepslate
In survival mode, it can be available by mining reinforced deepslate with the Netherite Pickaxe. 在生存模式下,可以透過獄髓鎬挖掘強化深版岩獲得。
VeinPulse
Ores briefly pulse with light when you mine adjacent stone blocks, revealing hidden mineral deposits nearby. The pulse intensity varies based on ore rarity.
Extreme Weather Survival S2 - ModPack
This is a modpack that adds weather and other features to Minecraft while keeping the original style of the game in mind.
NeoForge1.21.1
Players start in a familiar Minecraft world but quickly encounter enriched content that expands survival mechanics without enforcing a rigid quest line. The pack encourages creative survival, strategic progression, and long-term world engagement.
Infinite Horizons 2 - Superflat Survival
A modded superflat experience
Mr_ChibisMMO
Survival based MMO for players to have fun in either (Singleplayer, Multiplayer, or Modded) skills such as, "Agility", "Attack", "Cooking", "Defense", "Excavation", "Fishing", "Hitpoints", "Hunter", "Magic", "Mining" & "Commands/Custom World Gen loot".
northern wonderer
pvp/cpvp/redstone/survival/decorating/etc ultimate pack
Cursors for Hypixel Skyblock
Cursors inspired by the Furfsky texturepack for Hypixel Skyblock
Spectrum_11.jar
modpack for mod The Broken Script