Minecraft Java 1.21 Mods
Browse 32 free mods for Minecraft Java 1.21 — popular picks include AnvilCraft: Gravity Technology, Luish's Guns, Architectural Building Wand.
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AnvilCraft: Gravity Technology
The mod is an anvil-centric vanilla survival expansion.
Luish's Guns
Survival-Friendly Vanilla-Like Guns with animations
Architectural Building Wand
An advanced drag-and-drop construction tool and structure builder. Effortlessly place blocks, build walls, and fill areas in survival using a balanced ghost block preview planner.
Hardcore Night Vision Goggles
Goggles with limited night vision and an on/off key bind
Simplex Modern Survival
This focuses on making the game more difficult providing an incentive to use the two main mods, Vic's point blank for powerful weapons and immersive engineering for mass ammo production
Tools for Survival
Adds new tools and weapons to be used in difficult survival situations
MCA Descendants
Addon for MCA:Reborn. Adds the ability to respawn as your descendants while playing hardcore mode.
Simple Sophisticated Backpacks Kit
Lightweight starter backpack addon that gives every new player a backpack and useful survival items on first join. Perfect for RPG modpacks, multiplayer servers, exploration, inventory expansion, adventure, progression, and quality-of-life gameplay.
The Block of Angel
An exploration-focused mod that rewards curiosity and reduces repetitive grind — while keeping the core survival balance intact. Perfect for players who want each discovery to matter. Start with almost nothing — earn every shortcut.
Haven Kitchen Sink Helper
A mod that adds a lot of Quality of Life features for Kitchen Sink Modpacks.
Horror OneBlock
OneBlock survival with horror mobs, dwellers, guns, shaders, and Create automation.
Unruffled
Revamped Survival mode from the ground up.
More Creatures And Weapons
The More Creatures And Weapons mod adds 24 entities (8 monsters and 16 creatures). Hostile monsters and creatures add a real challenge to your survival adventure. Two new weapon types (dagger, spear) are essential to your adventure.
Pack-a-Punch Machine
Universal upgrade machine. Upgrade almost any weapon or damage-dealing item, including TaCZ guns, for late-game survival and zombie apocalypse modpacks.
Mirror, Mirror
Teleport to your friends by gazing through the mirror in a unique and survival friendly way!
GSG's New Ores
Adds unique custom ores, powerful tools, armor, and new mining adventures with balanced survival gameplay and high-quality textures.
Create Build Gun
A tool has been added to print blueprints in survival mode. Intended for modpack creation.
Create: The OP Cheese
A survival-friendly Create addon that adds powerful cheese-themed ores, machines, armor, weapons, guns, and rats to expand automation and progression.
Emerald Matcha Craft V3
Most of the functions and items are expanded and inspired from the original minecraft, and are developed mainly for survival convenience.
OpenFlares - Flare Guns!
Flare guns! Survival and multiplayer friendly. Now with an innovative LOD-based renderer for seeing flare smoke from even beyond the vanilla chunk render distance :D
Kindling Age
Kindling Age enhances early survival with lightweight, vanilla-friendly mechanics that make the first days more deliberate without adding grind or hard gates.
MekaHardcore
A complication addon for Mekanism
GSG
GSG is a lightweight gameplay enhancement mod that expands Minecraft with new equipment and progression-focused content. It adds balanced tools, weapons, and armor designed to fit naturally into vanilla survival without affecting performance.
BounceCraft: ModernConflict
Modern technical survival with industries, weapons, vehicles, and advanced warfare. Automate, dominate the world, face creepy creatures, and live in a technologically advanced society ruled by nations.
[✨] AUTOMAGIC - Survival friendly magic spells, weapons, gadgets, machines, and more! (W.I.P)
Spells meet Supply chains
Terra utlima
Immersive survival modpack featuring new biomes, dangerous creatures, custom weapons, quests, realistic progression, thirst management, dynamic seasons, and advanced technology for a challenging, strategic, and captivating adventure experience.
Dacy's Toolbox
This mod adds tools/weapons/blocks that aid a survival mode player in PvP or just minecraft in general, It adds anything you can think of, Ores, Armor, and a lot of tools.

GlowSense
This mod provides real-time visual cues for combat, tools, and survival, highlighting the best weapon, tool, or food based on the situation to make gameplay more intuitive and responsive.
Create: Misc & Things Mod (1.21.1, 1.20.1) – Utility, Building and Fun Additions
Create: Misc & Things Mod is an add-on that introduces several useful and amusing items to the Create mod. A liquid gun? Road signs? Launchers or various building blocks? With this mod, survival in Create becomes even more exciting and fun! Features: Spout Gun – A unique weapon that allows you to shoot liquid at […]
Alive | Enhanced Survival
Adds thirst, stamina, and adrenaline. Changes behavior of drowning, health, and insomnia.
Extreme Monsters (EM)
Think Minecraft was too easy? This mod cranks up the challenge and pushes your survival skills to the limit!
Peak Stamina Mod (1.21.1, 1.20.1) – Survive with Realistic Energy
Peak Stamina Mod overhauls vanilla movement by adding a detailed energy and fatigue system. Actions like running, jumping, swinging weapons, and climbing now drain your energy meter. Carrying heavy gear and skipping meals reduces your maximum energy, forcing you to plan your moves carefully in survival situations. The mod also provides clean on-screen meters and […]