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Minecraft Java 1.21 Mods

Browse 14 free mods for Minecraft Java 1.21 — popular picks include Project Atmosphere: Realistic Climate & Weather - NEW LOGO, Realistic Plant Growth, Aeternum Seasons.

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Project Atmosphere: Realistic Climate & Weather - NEW LOGO
1.21.1neoforge

Project Atmosphere: Realistic Climate & Weather - NEW LOGO

Project Atmosphere is a Forge mod that adds dynamic weather, realistic temperature, seasonal effects, and cloud simulation with full Serene Seasons support.

25kdownloads
Realistic Plant Growth
1.21.4

Realistic Plant Growth

Powerful Spigot/Paper plugin that brings a new level of realism to the Minecraft flora, allowing you to fine-tune growth parameters on a per-biome basis.

4.0kdownloads
Aeternum Seasons
1.21

Aeternum Seasons

A dynamic and realistic station system for Minecraft Survival. Eng & Esp | Plug & Play

3.3kdownloads
Northbound
1.20.1fabric

Northbound

World generation based on realistic latitude-based climate zones!

2.7kdownloads
Remin: Realistic Minerals
1.21.1neoforge

Remin: Realistic Minerals

Adds tons of ores, metals, minerals and tools to the game, as well as game mechanics based on their real behaviour. Changes the vanilla game progression from the very start to the very end.

2.7kdownloads
Meloon's Realistic Thunder
1.21.9

Meloon's Realistic Thunder

This datapack upgrades weather in storms by bringing cozy delayed thunder to Minecraft

1.8kdownloads
Streive's Weapons
1.21.8fabric

Streive's Weapons

Streive's Weapons mod adds diverse firearms with realistic mechanics and customization options to Minecraft. Craft, customize, and wield powerful guns for enhanced combat and exploration experiences.

1.6kdownloads
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.

554downloads
Against the Wild: Realistic Survival
1.21forge

Against the Wild: Realistic Survival

Against the Wild is an immersive realism mod that transforms Minecraft survival into something that actually feels like fighting to stay alive. No magic shortcuts, no easy starts. The world is harsh, unforgiving, and beautiful just like the real wilderness

187downloads
No Glow Lichen
1.21.11fabric

No Glow Lichen

Remove light from glow liches entirely. It was annoying for me in caves to see them, they ruin the dark atmosphere of caves and are unrealistic.

172downloads
twinkle popo mod
1.21.4neoforge

twinkle popo mod

it adds twinkle popo realistic pikachu and realistic hellokity

63downloads
javaTNT
1.21

javaTNT

javaTNT – Realistic TNT explosions with craters, just like vanilla Java, optimized for Paper servers.

57downloads
Dreamcraft Network's Cobblestone Variants
1.21.1neoforge

Dreamcraft Network's Cobblestone Variants

This adds a few cobblestone variants for building better realistic buildings

55downloads
Create Gunsmithing Mod (1.21.1, 1.20.1) – Craft Custom Guns For Epic Combat
1.21.1

Create Gunsmithing Mod (1.21.1, 1.20.1) – Craft Custom Guns For Epic Combat

Create Gunsmithing Mod adds customizable gun systems, allowing players to craft and modify firearms with unique attachments and mechanics. It enhances combat and exploration with a focus on realism and strategy, making it ideal for survival, PvP, or adventure modpacks. Features: Customizable guns with attachments like scopes, barrels, and grips for tailored performance. Realistic ballistics […]