Minecraft Java 1.20 Mods
Browse 1,203 free mods for Minecraft Java 1.20 — popular picks include Lost Horizos, Dimension Separator, Desert Well but Better!!!.
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Lost Horizos
A modern survival modpack for Minecraft 1.20.1 based on Fabric, focused on exploration, food, character upgrades, and convenient gameplay mechanics
Dimension Separator
Minecraft Forge mod (1.20.1) for modpack makers — restrict which mods can interact with which dimensions. Block mob spawning, loot tables, world generation and item usage per dimension via a simple JSON config.
Desert Well but Better!!!
This is the datapack made by MC ivan in his video "I updated Minecraft's Worst Structure" Feel free to enjoy it for yourself.
Beyond The Edge
Many new dimensions, bosses, mobs, and ores that will help you progress through the mod. It is a progression-based mod, where each dimension increases in difficulty. It is a post-game mod. It is a mod with some story elements.
Tome of Binding
Tome of Binding allows you to teleport to players and view information about them, such as their coordinates and dimensions.
Supplies & Stuff
It fills in some gaps in the game and adds small stuff.

Skillbound-RPG
Skillbound transforms Minecraft into a classic RPG with level-based skills, improved combat progression, magic, prayers, Slayer tasks, bosses, new equipment, and rewarding unlocks as you advance from levels 1–99.
EonIceAge
EonIceAge plugin Cold, winter & survival mechanics
InvincibleBlocks
InvincibleBlocks protects defined areas from grief (blocks, pistons, hoppers, enderpearls, elytra) and persists settings across restarts. It includes an in-game GUI to toggle per-area flags like openable chests, enderpearling, and elytraing.
Neorium
Adds a new ore to minecraft!
Thunder RTP
Thunder_RTP is a Minecraft plugin that adds structured random teleportation with group-based quarries and admin controls for seamless multiplayer exploration.
Cherry Grove Cherries
This mod add cherries that you can find within the leaves of Cherry Blossoms! If you find food difficult to find in Cherry Groves, this is the mod for you!
JsPig
JsPig provides complete access to the Bukkit API via GraalVM, allowing developers to efficiently create and manage Minecraft plugins using JavaScript's flexibility and simplicity.
Go Beyond Time !!
Replay the history of the Minecraft world with a different interpretation.
WARPED
Add everything related to the war of the past, present and future! It's time to raise the flag of war! Prepare your troops, we are advancing.
RadMod
Simple Radiation mod that adds UNIQUE radiation system and stuff.
Pillager Assault Brigade - Priestess's Revenge
Summon the Illager legion and survive brutal curses and massive onslaughts—will you face the “Disaster”?
Biome Painter
Biome Painter enables dynamic biome editing without requiring world regeneration. Modify biomes directly in existing worlds, manage biome regions, perform large-scale biome conversions, and synchronize changes across clients
Game Crash When Touching Grass Block
Game crashes instantly when the player touches a grass block in Minecraft 1.20.1 Forge
Strawcubbery Garden
adding a new biome, a new pet, and other items related to the biome. The idea is taken from the game slime rancher.
Weather Unhinged
Embark on a thrilling journey with the "Weather Unhinged" data pack, an immersive addition to your Minecraft experience that introduces extreme weather conditions to the blocky world.
GravityShift
Bend the laws of physics in Minecraft! 🌍 GravityShift allows you to modify player gravity for unique, fun, and chaotic gameplay. Change gravity effects Create insane challenges Perfect for mini-games & experiments Designed for Spigot/Paper servers
VoidWorldPlugin
This plugin creates a special Void world, in which players can travel between the normal and Void world using the commands /void and /world.
Tangle Kelp
Kelp drags players downwards.
The Broken Additions
This mod adds a couple themed items, blocks, and ect. [This is my first mod so there might be bugs and issues!]
Justin's Ice
Justin's Ice aims to improve the ice and snow biomes by introducing new entities, blocks, structures, and items, without straying too far from vanilla minecraft.
Project Renewal
Venture the twisted roads of the Renewal Springs...
The Deadlands
A datapack adding a new late game dimension to Vanilla minecraft. Requires the Deadlands Resources resource pack. (1.20.4, 1.20.5 coming soon)
Better Spawn Point
Better Spawnpoint replaces Minecraft's boring single-bed spawn system with a full spawn history manager — save multiple spawnpoints across all dimensions, teleport between them, rename them, and choose where you respawn when you die
Soft Worldborder
Worldborder prevents healing rather than exploration!
Slimes Everywhere
Allows Slimes to spawn at night in any biome
Builder - Ai
🧠 AI Builds Turn imagination into reality. Let AI build structures directly in your Minecraft world using Gemini or Claude.
Agonyte Time
This mod allows the player to create their own infection in the world. (forge 1.20.1)
Grave.
Slows your singleplayer world automatically — create cinematic videos like popular content creators' videos.
SlashDestroy
A helpful mod that allows you to /destroy to destroy any and all vanilla or modded blocks in your render distance.
Simple Structures
Adds simple vanillia-friendly structures!