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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.

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Realistic Growth
1.13

Realistic Growth

This plugin allows saplings and plants to replant themselves on the correct ground when they despawn

787downloads
More Kittens
1.21.11fabric

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

784downloads
Normal respawning for Overly-Realistic
1.21.6

Normal respawning for Overly-Realistic

An addon for Overly-Realistic to make death more vanilla-like

757downloads
PhysicalBall
1.21

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!

723downloads
IBREALISTIC
1.21.3fabric

IBREALISTIC

The Unofficial fork of OpenBoatUtils, original by o7moon. This mod added MORE realistic rally aspects for IBREAL or another server

703downloads
Realistic Orbital Strike cannon mod
1.21.11fabric

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.

679downloads
Skydiving / Paragliding
1.21.1fabric

Skydiving / Paragliding

A Minecraft Fabric mod that adds realistic wind physics affecting Elytra gliding. Learn paragliding and skydiving physics!

628downloads
Physics Grapple
1.21.4

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!

588downloads
MoreRealisticSurvival999
1.21

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.

569downloads
realistic horse control
1.21.1fabric

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.

564downloads
True Nature
1.21.5fabric

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.

537downloads
First Person Nom
1.21fabric

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

517downloads
Realistic Rain Mod
1.21.8fabric

Realistic Rain Mod

With Realistic Rain, rain above the height 192 is not rendered.

497downloads
Smoke and Bitterness
1.21.8neoforge

Smoke and Bitterness

The mod adds cigarettes and cigars. Suitable for realistic and noir builds.

492downloads
Stamina999
1.21

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.

491downloads
Realistic Villagers
1.18

Realistic Villagers

Forget the days of "Hmmmm" and blank stares. Realistic Villagers is the ultimate overhaul for Minecraft villagers. this project is a fork

479downloads
Unlit Fires
1.21.5

Unlit Fires

Adds an unlit state to campfire items, making them more realistic.

455downloads
Bazaar Flipper
1.21.11fabric

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.

454downloads
Realistic Objects Datapack
1.21

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.

446downloads
Disable aggressive animals for Overly-Realistic
1.21.6

Disable aggressive animals for Overly-Realistic

An addon for Overly-Realistic to automatically disable aggressive animals

410downloads
Realistic Tree Capitator
1.20.3

Realistic Tree Capitator

Chop one log and the entire tree breaks automatically with realistic item drops.

369downloads
Realistic BreakSpeed
1.21.1neoforge

Realistic BreakSpeed

Realistic BreakSpeed changes Minecraft’s block-breaking logic, slowing down breaking speeds, punishing incorrect tool use.

366downloads
Physical Explosions
1.21.6

Physical Explosions

This datapack makes explosions physical and realistic! 💥

350downloads
Third Law
1.21.1fabric

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!

349downloads
Drown Panic
1.21.1fabric

Drown Panic

"An immersive mod that enhances survival atmosphere underwater with a wide screen vignette (tunnel vision) and realistic heartbeat sounds when drowning."

347downloads
FakeGun
1.18.2

FakeGun

This is a relatively friendly firearms plugin, featuring realistic ballistics, a variety of weapons, and simple purity. It includes a recipe book.

346downloads
RecPulse
1.21.1fabric

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

334downloads
Physics Plugin
1.21

Physics Plugin

A plugin that adds realistic physics to Minecraft! Including explosions, block and entity interactions and more!

330downloads
Better Craftable Gunpowder & more
1.21.10fabric

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.

305downloads
Realistic Death Visuals
1.21.11fabric

Realistic Death Visuals

Replaces the boring death screen.

290downloads
Better Burning System
1.21.10neoforge

Better Burning System

Adds escalating burn levels and realistic fire behavior.

286downloads
Camera+
1.21

Camera+

Camera+ is a Minecraft plugin that enables realistic camera functions, screenshots, perspective changes, and creative filmmaking for players and servers.

278downloads
Jenga Mod
1.21.1fabric

Jenga Mod

A recreation of that one systemzee video where they have jenga with realistic physics.

275downloads
RapidLeaves
1.21

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

269downloads
Project-Regon⛰️
1.21

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.

253downloads
RealHostilesAI
1.20

RealHostilesAI

Realistic hostile mob behavior for Minecraft: natural reactions, no unfair attacks, and no mob swarming.

231downloads