Minecraft Java 1.21 Mods
Browse 208 free mods for Minecraft Java 1.21 — popular picks include Realistic Growth, More Kittens, Normal respawning for Overly-Realistic.
Updated daily
Realistic Growth
This plugin allows saplings and plants to replant themselves on the correct ground when they despawn
More Kittens
This mod makes a cat litter more realistic, by instead of breeding only 1 kitten, it can vary between 3 to 5 kittens
Normal respawning for Overly-Realistic
An addon for Overly-Realistic to make death more vanilla-like
PhysicalBall
⚽ Adds a fully physical ball to Minecraft with realistic physics, kicking, throwing, custom skins, permissions, and full configuration. Perfect for football, volleyball, and mini-games!
IBREALISTIC
The Unofficial fork of OpenBoatUtils, original by o7moon. This mod added MORE realistic rally aspects for IBREAL or another server
Realistic Orbital Strike cannon mod
This mod for 1.21.11 adds orbital strike's like tnt nuke tnt stab wither nuke! wither stab! wolf etc.
Skydiving / Paragliding
A Minecraft Fabric mod that adds realistic wind physics affecting Elytra gliding. Learn paragliding and skydiving physics!
Physics Grapple
A physics-based grappling hook tool for world traversal! Once the hook attaches to a surface, your movement is governed by realistic swing mechanics and momentum, instead of teleportation!
MoreRealisticSurvival999
MoreRealisticSurvival999 brings immersive realism to Minecraft survival by dynamically managing temperature, thirst, crop rot, torch burnout, and natural plant growth for a truly challenging and engaging experience.

realistic horse control
Vanilla horse riding that actually feels like horse riding. Camera follows the horse, gallop shakes the screen, stamina limits sprinting, and you can ride through leaves without dismounting. Fabric 1.21.1, fully configurable.
True Nature
Realistic MC is a modpack that makes Minecraft feel real. With enhanced graphics, physics, and survival mechanics, it brings a grounded, immersive experience to your world.
First Person Nom
A Simple mod that brings the first person eating from more realistic eating in first person, originally was a commission before my client refused to pay
Realistic Rain Mod
With Realistic Rain, rain above the height 192 is not rendered.
Smoke and Bitterness
The mod adds cigarettes and cigars. Suitable for realistic and noir builds.
Stamina999
Stamina999 is a plugin that introduces a dynamic stamina system to your Minecraft server, making gameplay more challenging and realistic. Players will manage their stamina for various actions, leading to a more strategic and immersive experience.
Realistic Villagers
Forget the days of "Hmmmm" and blank stares. Realistic Villagers is the ultimate overhaul for Minecraft villagers. this project is a fork
Unlit Fires
Adds an unlit state to campfire items, making them more realistic.
Bazaar Flipper
Live Hypixel Skyblock profit overlay for Fabric — ranks the top Bazaar flips, craft flips, and NPC arbitrage in real time, with realistic profit math (no fantasy margins). Client-side · no API key · no macros.
Realistic Objects Datapack
This data pack adds realistic physics to objects and blocks in your world. Now, when you throw objects, they obey the laws of physics.
Disable aggressive animals for Overly-Realistic
An addon for Overly-Realistic to automatically disable aggressive animals
Realistic Tree Capitator
Chop one log and the entire tree breaks automatically with realistic item drops.
Realistic BreakSpeed
Realistic BreakSpeed changes Minecraft’s block-breaking logic, slowing down breaking speeds, punishing incorrect tool use.
Physical Explosions
This datapack makes explosions physical and realistic! 💥
Third Law
This mod (jokingly) adds newton's third law to minecraft! When you throw an item or shoot a projectile you get pushed back with (un)realistic force!
Drown Panic
"An immersive mod that enhances survival atmosphere underwater with a wide screen vignette (tunnel vision) and realistic heartbeat sounds when drowning."
FakeGun
This is a relatively friendly firearms plugin, featuring realistic ballistics, a variety of weapons, and simple purity. It includes a recipe book.

RecPulse
This mod adds a realistic bodycam effect, camera shake, a bodycam lens, a flashlight, as well as a realistic lidar system. The mod was created as an add-on to the mod (its name will be here after its release), but it can also be used in regular gameplay :D
Physics Plugin
A plugin that adds realistic physics to Minecraft! Including explosions, block and entity interactions and more!
Better Craftable Gunpowder & more
Adds realistic, easy farmable new gunpowder recipe to the game as well as some minor new features. See all in the mods description.
Realistic Death Visuals
Replaces the boring death screen.
Better Burning System
Adds escalating burn levels and realistic fire behavior.
Camera+
Camera+ is a Minecraft plugin that enables realistic camera functions, screenshots, perspective changes, and creative filmmaking for players and servers.
Jenga Mod
A recreation of that one systemzee video where they have jenga with realistic physics.
RapidLeaves
Automatic Detection: Detects when a tree has been fully chopped down Realistic Falling: Leaves fall gradually and randomly Highly Configurable: All parameters are adjustable
Project-Regon⛰️
An advanced vanilla-style world generator that transforms the Overworld into a dramatic but realistic landscape filled with huge formations, unique terrain shapes, and natural-looking environments, making every seed and every location feel perfect.
RealHostilesAI
Realistic hostile mob behavior for Minecraft: natural reactions, no unfair attacks, and no mob swarming.