Minecraft Java 1.21 Mods
Browse 3,814 free mods for Minecraft Java 1.21 — popular picks include Sen's additions, Human Survival – Realistic Items & Survival Tweaks, Chaos Randomizer & Effects.
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Sen's additions
Enhance Minecraft with stunning biomes, creative building blocks, survival depth, and performance that runs 350+ mods smoothly. Beautiful visuals, improved structures, voice chat, custom quests, and an official server await.
Human Survival – Realistic Items & Survival Tweaks
A lightweight NeoForge survival mod that adds simple, realistic items and tweaks to make Minecraft feel more grounded without changing the core gameplay.
Chaos Randomizer & Effects
A Fabric mod that randomizes all block and mob drops, adds random potion effects to mining, and plays sound effects for rare loot. Balanced for survival gameplay!

Heartcore
A configurable Minecraft Hardcore mod that removes hearts when you die, with a few other added features.
Scarier Mobs
Turn every other night into a blood moon with smarter, scarier mobs, custom stalking dwellers, and more dangerous survival encounters.
Hardcore Events
This plugin enables death-banning for a certain amount of time, set by the plugin config.
Genetically Modified Monsters
Adds genetically enhanced monsters with new powers, behaviors, and challenges to make survival more intense.
Endless Sky 2
Endless Sky 2 is the second iteration of the Endless Sky Series
Flat Biomes
Adds biomes to vanilla flat world type
Designer Pack
Design your builds directly inside your survival world without interference
Additional Abilities
The mod which author created in the early duration of exploring Dragon Survival Ability execution.
RxDeathSwap – A Deadly Twist on Survival
Trap or be trapped. Every swap is a chance to kill
The Classic Script
This is a single-player horror modpack throws you into a creepy, unpredictable world where everythink feels alive. Survival won’t be easy, because something is always watching.
Survival-OneBlock Fabric
Survival-OneBlock is an Adventure OneBlock Fabric modpack.
MOMB梦织谷服务器整合包
Contains survival auxiliary mods such as Twilight Forest, Farmer's Delight, and Refined Storage.
Deepcraft
A hardcore Minecraft mod with new ore, weapons, bosses, mobs, a unique dimension, haunting music, and forgotten secrets waiting to be uncovered.
Item Compare
A comparison tool that lets you compare item stats and enchantments side-by-side with visual +/- indicators, including support for Hypixel Skyblock. Simply hover over items and press M to instantly see which gear upgrades are actually better.
MC-Themed Powers
Adds special abilities you can unlock in survival Minecraft. Each power is based on Minecraft mobs/biomes.
Personal Armory
Unique Commissioned items for Hypixel Skyblock
MetalCamp
It's a survival mod with several items and blocks
Survival + Performance All Versions
Adds Survival and Performance Mods. For all Versions.
No Break Cooldown
Removes the cooldown after breaking a block (in survival). Thus allowing you to break slightly faster.
Theosis
Plugin-ready RPG survival with loot, gems, bosses & biomes. Thesis-style modularity. Multilanguage Apotheosis-inspired
Consistent Fence Items
Remodels Fence items to represent only one block, similar to Wall blocks.
Super Enhanced Skyblock
Skyblock style Modpack
EaterSMP
A survival and horror experience, RPG, magic, and tech into a chilling adventure.
Jarwis Horror Story
A modpack that focuses on horror and exploration, offering the chance to discover new dungeons.
Skyblock Classical
This modpack brings back a revived version of Skyblock we all remember
Ultimate Angel Rings
Ultimate Angel Rings adds a powerful angelic ring that grants true creative-style flight in survival.
Gears & Glyphs
Survival Modpack focused on automation trough magic or machines, or a combination for both, with a focus on economy with the numismatics and bounty mods
CreatingGregopolis
A modpack made to add Create and Modern Industrialization together perfectly
Hardcore Fake Heart
This resource pack change your Normal hearts to Hardcore hearts
More Stone Generators
A mod that adds more fluid interactions to obtain the non-renewable stone types.
Single Island Generator
A Minecraft world generation mod that adds an Island world type, generating an ocean-only world with one randomly generated survival island.
Spiffo Plush (Totem)
Adds a plush toy from the paid game Project Zomboid (zombie survival) directly into Minecraft!

SenpaiCore
Just vanilla minecraft with new taste! its more for pvp, but you can still play survival with it!