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Minecraft Java 1.21 Mods

Browse 25 free mods for Minecraft Java 1.21 — popular picks include oSzoukaua's: Realistic Spiders, Dont Get Hurt, Project: Explosive.

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oSzoukaua's: Realistic Spiders
1.21.11fabric

oSzoukaua's: Realistic Spiders

This pack makes spiders more realistic! and much cuter!

110kdownloads
Dont Get Hurt
1.21.1neoforge

Dont Get Hurt

A more realistic life and healthcare

6.1kdownloads
Project: Explosive
1.21.1neoforge

Project: Explosive

Adds realistic explosions while keeping Minecraft’s vanilla style.

2.1kdownloads
Wooden Stairs Crafts
1.21

Wooden Stairs Crafts

Modify the recipe for wooden stairs to make it more realistic.

917downloads
Realistic Cakes
1.21.9

Realistic Cakes

Makes the cake item edible, with durability for each slice stage.

915downloads
Slow Mining
1.21fabric

Slow Mining

Reduces mining speed, making progression slower and more realistic.

773downloads
Dead Body
1.21

Dead Body

The Most Advanced Realistic Lootable GUI Corpses Graves and Dead Bodies for Mobs and Players in Minecraft! + PVP Logging Solutions & More

758downloads
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

689downloads
Smoke and Bitterness
1.21.8neoforge

Smoke and Bitterness

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

443downloads
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
Physical Explosions
1.21.6

Physical Explosions

This datapack makes explosions physical and realistic! 💥

345downloads
Jenga Mod
1.21.1fabric

Jenga Mod

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

246downloads
Realistic Days
1.21.8

Realistic Days

This datapack makes minecraft days/nights last 12 real-life hours. A dreadful addition to your next 100 days world...

184downloads
RealMobScale
1.21

RealMobScale

Realistic animal scaling based on real measurements | light-weight plugin.

140downloads
More Realism (MR)
1.21fabric

More Realism (MR)

This project helps you experience your world more realistically.

129downloads
Accurate Mob Sizes
1.20.5

Accurate Mob Sizes

The Accurate Mob Sizes datapack makes most real-life mobs closer to their actual size, making Minecraft feel a bit more realistic.

123downloads
WMTM | Way More than Minecraft!
1.21.8fabric

WMTM | Way More than Minecraft!

Trying to make Minecraft more realistic and more harder.

108downloads
Heavy Anvil
1.21

Heavy Anvil

Makes anvils heavy / realistic.

65downloads
Realistic Heights
1.21

Realistic Heights

Makes your real length, your minecraft length.

64downloads
twinkle popo mod
1.21.4neoforge

twinkle popo mod

it adds twinkle popo realistic pikachu and realistic hellokity

63downloads
OUCH!!!
1.21

OUCH!!!

Make magma realistic and actually deal a little damage while holding.

46downloads
Bob's Datapack
1.21.9

Bob's Datapack

This datapack is basically a few weird addons that I added to minecraft while I was sick and off my meds. It adds (semi) realistic injuries for players and mobs and a few other things.

26downloads
MDiabetes
1.21

MDiabetes

A unique and fully configurable plugin that simulates diabetes in Minecraft with custom recipes, realistic mechanics, and immersive gameplay systems.

25downloads
L
1.21.1fabric

LitePhysics

Realistic collapse, explosions, debris, item physics, and mob ragdolls make destruction feel alive. Builds fall naturally, blasts launch blocks, debris bounces, items tumble, and mobs slide, float, and fade away.

2.7kdownloads
R
1.21.1

Realistic Sable / Create Aeronautisc Air Pressure

This datapack changes Sable's default air pressure to instead resemble real world air pressure, dropping exponentially less and less over time. (I have a separate datapack which does this at a 1 to 10 ratio instead)

62downloads