Minecraft Java 1.21 Mods
Browse 422 free mods for Minecraft Java 1.21 — popular picks include Lost In The Caves, Mutant Mobs Pack, Simple Goblins.
Updated daily
Lost In The Caves
Mod about survival in caves ONLY.
Mutant Mobs Pack
A simple modpack with a plethora of more customisable doors, windows and more to boost the creativity of each world. Paired with the additional mobs, this modpack boosts the fun and the difficulty of the survival aspect of Minecraft.
Simple Goblins
Adds Goblins, Titanium, And a New Redstone Block! The Titanium Hunger
Addons Shadows of Eternia
Shadows of Eternia www.modpackindex.com . It's not just a cosmetic change - it's a complete reimagining of your interactions with a violent world where classic survival becomes a tense struggle against ancient curses and unthinkable monsters
In Silence - Horror
In Silence is a multiplayer co-op survival game in which 1 player becomes a monster that seeks out the other players. This map is an in-depth recreation of the game, including flashlights, noisemakers, and of course, the monster!
Necro'Mapa
Um modpack criado com a intenção de se aproximar de um RPG, com variações de árvores de habilidades, habilidades passivas, foco em exploração, roguelike e muito mais. Mobs hostis perseguirão você, haverá hordas e invasões, entre muito mais!
![Sudden Death | Enhance monster abilities | Game mechanics [1.21-1.21.11]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/spiget/90555.webp)
Sudden Death | Enhance monster abilities | Game mechanics [1.21-1.21.11]
Enhance the monster's abilities, survival becomes impossible.
![OneBlock [Helper]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/curseforge/467949.webp)
OneBlock [Helper]
A refined upgrade to the OneBlock experience, this modpack enhances automation, resource management, and performance. It optimizes progression, minimizes repetition, and provides tools for improved efficiency without altering the core challenge.
MC Insert
Insert is a simple vanilla+ modpack made for friends who want more from Minecraft without straying far from the original feel. It adds new structures, mobs, and quality-of-life tweaks—perfect for groups wanting a fresh but familiar survival experience.
Better PlaystationEdition
Experience the essence of Minecraft on PS3: explore infinite worlds and build without limits. Craft structures, brave caves, and fight mobs in a personalized survival journey. Your creativity rules this endless adventure of blocks and fun.
Pie World
This modpack includes. Realistic health, cooking, animals, zombies/mobs.
Echo of the Void
A survival horror experience shaped by community feedback, combining uncanny creature variants, reality-breaking events, and oppressive audio with a true objective: assemble the altar and overcome the presence consuming your world.
![Tiktok Survival [Monster and effects by Tiktok Gift] 1.21](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/spiget/168193.webp)
Tiktok Survival [Monster and effects by Tiktok Gift] 1.21
The creation of mobs, tnt, give weapons for Interactive broadcasts.
Night and Day (NAD)
A flipped or inverse Vanilla Experience of horror and herds where creatures that once feared daylight now thrive in it, while the night becomes oddly “safe.”
![xApocalypse - Zombie Apocalypse Survival Plugin [1.21] | 15+ Mobs | Blood Moons](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/spiget/160450.webp)
xApocalypse - Zombie Apocalypse Survival Plugin [1.21] | 15+ Mobs | Blood Moons
A brutal, customizable zombie apocalypse plugin for survival servers
MCBR Survival - Mobile
Embark on the ultimate Survival adventure, providing the best possible experience and peak performance in the Minecraft world.
Signcast Monster Hunter Mod (1.21.1, 1.20.1) – Hunt Dangerous Beasts
Signcast Monster Hunter Mod brings Witcher-inspired combat, magic signs, and monster contracts into your world. Players can choose classes like Witcher or Sorcerer to take down dangerous beasts and complete bounty hunts. The mod adds skill trees, deep alchemy recipes, and specialized swords for every encounter. It turns standard survival into a full monster-hunting journey […]
Fractured Equilibrium Mod (1.21.1, 1.20.1) – Survive Chaotic Nightmares
Fractured Equilibrium Mod turns your peaceful world into a chaotic nightmare where the moon slowly fades away. As the night sky darkens, dangerous monsters begin to spawn and wait for the right moment to strike. Strange random events disrupt your daily survival and can even break your builds. The mod keeps you alert with eerie […]
Vile Frontier Creatures Mod (26.2, 1.21.11) – Survive Ruthless Monsters
Vile Frontier Creatures Mod unleashes dozens of hostile monsters with unique skills across your world. This mod raises the survival challenge by adding dangerous threats to the Overworld, the Nether, and the End. You encounter mythological beasts, armed undead fighters, and corrupted foes while exploring caves and wilderness areas. Each opponent brings fresh attack styles […]
Infernal Kinetic Dread Modpack (1.21.1) – Build Machines Survive Horrors
Infernal Kinetic Dread Modpack combines complex mechanical engineering with chilling survival horror to test your nerves. Build huge automated factories and moving contraptions while terrifying monsters stalk you from the dark shadows. Stay alert at all times because dangerous entities like Herobrine watch your every move. Features: Spooky Engineering: Build working machines, gears, and factories […]
Saltwater Chronicles Modpack (1.21.1) – Explore Oceans And Defeat Monsters
Saltwater Chronicles Modpack sends you on a massive survival journey across open oceans and dangerous uncharted lands. You will dive into sunken ruins, search wrecked ships for treasure, and fight giant monsters that lurk underwater. Build better gear step by step as you explore forgotten islands and master both land and sea. Features: Vast Ocean […]
Relic Power Rising Mod (1.21.1, 1.20.1) – Upgrade Gilded Relics for Combat
Relic Power Rising Mod adds a collection of upgradable artifacts that give you handy tools and special abilities for your survival journey. Each gilded relic brings unique mechanics like extra health, mob teleportation, and attack reflection. You can power up these items through an upgrade system to fit your favorite combat and exploration style. Features: […]
Glacial Wing Sovereign Mod (1.21.1) – Survive the Wilds As a Deadly Frost Dragon
Glacial Wing Sovereign Mod adds the Frost Dragon species to Dragon Survival. This mod mixes icy magical powers with tactical weapons and special tools. You can freeze hostile mobs from long distances while managing your body temperature in hot environments. It brings new models, animations, and custom items to give you a fresh dragon survival […]
Oddities and Ends Mod (1.21.1, 1.20.1) – Survive with Teleport Crops
Oddities and Ends Mod introduces a broad variety of handy items, unique mobs, equipment, and world mechanics to spice up your survival world. You can barter with a new villager profession, wield heavy two-handed broadswords, cultivate superkelp ecosystems in ocean reefs, and discover new ore deposits deep across the Nether wastes. The mod brings creative […]
Quantum Utility Logic Mod (1.21.8, 1.21.1) – Fly Freely in Survival
Quantum Utility Logic Mod brings back classic utility mechanics, special flight rings, and custom power generation systems for your survival world. This mod adds handy blocks like the Angel Block for effortless building in mid-air, chunk loading devices, and various generators to produce Forge Energy. You can capture mobs with magic lassos or power your […]
Mind Frayer Threshold Mod (1.21.1, 1.20.1) – Manage Your Sanity to Survive
Mind Frayer Threshold Mod brings a sanity meter into the survival world. Players must monitor their mental state alongside basic health and hunger bars. Lingering in deep darkness, eating rotten food, or facing hostile monsters slowly drains your peace of mind. Low sanity causes auditory distortions, blurred vision, and terrifying hallucinations. Peaceful activities like farming, […]
Mechanical Mayhem Overdrive Mod (1.21.4, 1.20.1) – Survive Chaotic Events
Mechanical Mayhem Overdrive Mod brings a chaotic mix of giant equipment, unique structures, and wild creatures to Minecraft. The mod adds many gear sizes, ranging from mini weapons to massive tools made from dark matter and antimatter. Players can explore special houses, hunt down rare mob variants, and face challenging survival events. It also includes […]
Hollow Altar Rite Mod (1.21.1) – Survive Escalating Psychological Nightmares
Hollow Altar Rite Mod transforms your world into a tense survival horror setting with eerie creatures and reality-breaking events. It focuses on slow psychological pressure and strange sounds rather than unfair one-hit attacks or cheap jumpscares. The mod introduces a phase-based progression system where strange occurrences escalate as days pass. You must survive disturbing phenomena, […]
Ophanim Omen Mod (1.21.1, 1.20.1) – Face Biblically Accurate Angels
Ophanim Omen Mod introduces biblically accurate angels and sacred structures into your Minecraft world. This mod populates the plains with holy buildings, unique gear sets, and powerful entities. You can explore grand churches, fight strange new mobs, and collect special equipment to aid your survival journey. Features: Spawns unique mob types including strange angels, heretics, […]
No Frills Mod (26.2, 1.21.11) – Hypixel QoL Toolkit
No Frills Mod offers a massive toolkit of UI tweaks, solvers, visual enhancements, and bug fixes for Hypixel Skyblock. Features: No loading screen, hidden overlays, fewer particles. Custom swing speed, disable fire overlay, clean viewmodel. Etherwarp highlight, price tooltips, rare mob alerts. Chronomatron, Ultrasequencer, Melody, Terminals, Devices. Track bosses, mobs, power, bobbers, and sea creatures. […]
Abyssal Plunge Mod (1.21.1, 1.20.1) – Conquer Dangerous New Biomes in the Nether
Abyssal Plunge Mod fills the Nether dimension with fresh biomes, mobs, blocks, and items. It expands the underworld with distinct landscapes, unique plant life, and hidden structures. Players stepping through a Nether portal will find new resources to gather, strange creatures to fight, and varied regions to traverse during their survival journey. Features: Expands the […]
The Frostpale Frozen World Mod (26.2, 1.21.11) – Survive an Unforgiving Frozen
The Frostpale Frozen World Mod transforms the Overworld into a frozen wasteland where survival is a true test. Packed ice and blue ice take over the ground, replacing normal stone and deepslate throughout the world. Familiar animals are hard to find, and normal farming methods no longer work the same way. Hostile illagers establish large […]
Miracleforest Mod (1.21.1) – Conquer Enchanted Biomes and Forge Stardrop Gear
Miracleforest Mod introduces fresh biomes, hidden structures, and powerful gear sets to your survival world. It expands both the Overworld and the Nether with tough boss battles, unique ore types, and seven new kinds of trees. You can collect rare fruits from ancient ruins to craft special tools and take down dangerous monsters. Features: Biomes […]
Threateningly Mobs Continued Mod (26.2, 1.21.1) – Hunt Dangerous Beasts
Threateningly Mobs Continued Mod fills your world with dangerous creatures, summoning bosses, structures, and strong gear. It populates vanilla biomes with high-health monsters that hunt livestock and challenge survival players. You can forge unique weapons, explore dungeons and altars across multiple biomes, and open a portal to an uncharted dimension. Features: Spawns hostile creatures across […]
The Purgatory Mod (1.21.8, 1.20.1) – Survive Brutal Trials and Escape a Prison
The Purgatory Mod adds a punishing prison dimension where rulebreakers face dangerous survival trials. Players banished to this realm must fight hostile mobs across red sand deserts and dark obsidian depths. The only way to return to the overworld is by offering crafted keys to mysterious altars and conquering deadly boss fights. Features: Adds an […]
P.E.K.K.A. Craft Mod (1.21.1, 1.20.1) – Summon a Loyal Armored Partner
P.E.K.K.A. Craft Mod adds a Mini P.E.K.K.A. Companion that fights alongside you in your world. You can build and summon this armored buddy just like you summon vanilla iron golems. It travels with you, attacks hostile monsters, and keeps your base safe during survival adventures. Features: Brings the iconic Mini P.E.K.K.A. Into your world as […]