Minecraft Java 1.21 Mods
Browse 29 free mods for Minecraft Java 1.21 — popular picks include Rival Trespassers, Vagrant Saga - RPG Survival Adventure, Prison Escape - Beginnings.
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Rival Trespassers
Fight survivalist minibosses in structures - just like you!
Vagrant Saga - RPG Survival Adventure
RPG NeoForge modpack, Vampires, Magic, Quests, Skills, Bosses, 15 Dimensions, MMO server, Latest version 1.21+ RPG Adventure
Prison Escape - Beginnings
Escape the Prison with a questing tech centered adventure, including tonnes of custom recipes & juicy loot! (Skyblock/Stoneblock/Tech/Quest/RPG/Gated Loot & Bosses)
Our Story - Earth
A large exploration and survival modpack with custom quests, world generation, dungeons, bosses, building, farming, and multiplayer adventure.
Harrowing Hells
[NOW SURVIVAL SUMMONABLE] Adds the Cinderscourge, a highly developed boss entity with a diverse arsenal of attacks at its disposal. Usable in mob battles.
Cobblemon + Create - Pokemon meets Industrial Revolution!
A hardcore, expert-level modpack fusing Cobblemon, Create, and Cataclysm into one inseparable system | Custom Recipes | Complex Progression | All Pokémon | Mega Evolutions | Gyms & Badges | Boss Fights | Everything Integrated!
The Titans
This Modpack add The Titans and other boss and titans mod!
Cobblemon Sky Adventure
Cobblemon but you are on Skyblock. Explore dimensions, fight trainers, fight boss. Create your own adventure !
Terra by Sexy Crew
Explore stunning landscapes, level up your player and have fun while fighting strong bosses or catching cobblemons
DLCraft!
CHALLENGE SIX TIERS OF LEGENDARY BOSSES
DragonForge
Dragon Forge is a RPG–survival with skill-gated gear, Create-powered industry, mythic bosses & dungeons, and lush worldgen. 200+ content mods + 90+ perf/QoL. Built for multiplayer on MysticHorizonsMC.
Dungeonia - The rpg modpack exploration withe dungon perspective
explore Dungeonia: an immersive RPG modpack Experience hardcore 3rd person combat with barebones outline style. Master skills and gear while looting dungeons, dungon crawls, and epic bosses in this massive 3rd-person perspective fantasy adventure
ZKQ – Zombie King Quest (Boss Fight + Structures + Progression)
Adds a powerful Zombie King boss, custom structures, Frux ore progression, and epic weapons for adventure-focused survival gameplay.
Theosis
Plugin-ready RPG survival with loot, gems, bosses & biomes. Thesis-style modularity. Multilanguage Apotheosis-inspired
ProtoMP
The world has fallen. Manage thirst and radiation, wield modern weaponry, and engineer your survival against deadly mutants and bosses in a ruined world.
Roguelike MC
Roguelike Upgrade System offers special upgrades, item decay, boss progression, and full customization for casual or hardcore play.
Limitbreak
Minecraft transformed into a roguelite wave-survival RPG with classes, relics, bosses, and permanent progression.
Tensura Abyssal Reincarnation
Tensura Abyssal Reincarnation is a dark, cozy SMP modpack blending magic, exploration, and survival. Master spells, automate with Create, and face deadly bosses in a semi-anarchy world where freedom rules and every choice shapes your path.
TCC - Skyzone
An expert-mode 1.21.1 NeoForge skyblock pack with tech, automation, and magic (Mekanism, Create, Oritech, Ars Nouveau), exploration dimensions, and scaled-up Apotheosis difficulty for tougher mobs and bosses.
The Aether Survival
Here the goal is to survive starting in the Aether and work your way from defeating bosses in the aether to getting to the overworld
RealmsQuest
RealmQuest - Fabric, designed for players who love epic adventures with original dungeons, bosses, and spells. It features expanded biomes, new tools.
WildFrontierr
WildFrontier is a wilderness survival & RPG adventure modpack for Fabric 1.21.1. Explore stunning terrain, battle bosses, level up your skills, and thrive in a dangerous world solo or with friends.
Harrowing Hells (Data Pack)
[NOW SURVIVAL SUMMONABLE] Adds the Cinderscourge, a highly developed boss entity with a diverse arsenal of attacks at its disposal. Usable in mob battles.
Create Aero-craft (Hardcore++)
Its a modpack with the all new Create: Aeronautics mod and has a LOT of hard mods like bosses, zombies, thirst, and more! come join!
Aethelgard Odyssey
Aethegard Odyssey is a medieval Minecraft modpack blending RPG mechanics with immersive exploration. It features custom dungeons, class-based progression. Expect challenging survival, magic, and epic boss fights.
ImmersiveRPG&MineColonies
An immersive, challenging RPG survival with classes, bosses and MineColonies – optimized for long‑term worlds and high render distances.
MegaRPG
11 new Dimensions | Over 20 Bosses | Complete Overhaul of the Overworld and Nether
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 […]
Armageddon Mod (1.21.1, 1.20.1) – Adds RPG Boss Progression
Armageddon Mod completely changes how you play the game. It makes you earn your items by fighting big bosses. You cannot just dig down to find diamonds right away. The mod adds a step-by-step path where you must defeat monsters to get better gear. It turns your normal survival world into a fun RPG game. […]