Minecraft Java 1.21 Mods
Browse 204 free mods for Minecraft Java 1.21 — popular picks include Blackjack, Project: Explosive, Survival Reimagined (NeoForge).
Updated daily
Blackjack
A physical blackjack table plugin for Minecraft servers that creates interactive card tables in the game world. Players can join tables, place bets, and play blackjack with realistic 3D card displays.
Project: Explosive
Adds realistic explosions while keeping Minecraft’s vanilla style.
Survival Reimagined (NeoForge)
A Minecraft Mod with the goal of making Minecraft harder with a more realistic approach at progression
RealisticSeasons
Premium multi-world seasons plugin with biome-aware weather, persistent temperature preferences, crops, mobs, and immersive effects.
Aerodynamics4MC
A mod that adds realistic aerodynamics & wind to Minecraft
ReadStar
A mod adds configurable and more realistic stars.
Meloon's Realistic Thunder
This datapack upgrades weather in storms by bringing cozy delayed thunder to Minecraft
Map Tools
Essential utilities for creating maps or building. Create smooth animations, realistic message printing, resource pack management, block display tools, danger command checker, position saver and much more
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.
NewSeasons
Realistic seasons with temperature, weather, crops, mobs, calendar, and visual effects.
Realistic Fishing
Reel in live fish!
EnvironmentZ + The Bumblezone Compat
A Compat between EnvironmentZ and The Bumblezone to make temperatures in The Bumblezome dimension more realistic
Copycats: Weight Tweak
Instantly balances copycat block mass with a realistic default configuration for stable Create: Aeronautics/Sable physics. Fully customizable via an in-game menu or JSON configs.
Realistic Terrain Movement
Movement speed varies by terrain block, boats break in oceans, at mountain peaks high-altitude winds push players around. Designed to encourage the use of external transport mods, particularly Create Aeronautics.
Nuclear Craft UPdated
A modern port of NuclearCraft for 1.21 featuring advanced nuclear reactors, realistic fuel processing, and complex radiation mechanics for high-tech gameplay.
MoreTraffic
A TrafficCraft & Create addon adding realistic, programmable infrastructure and decorations to your world.
Create no Assembly Required
it makes create aeronautics physics a bit more realistic
Season Core
A Dynamic Seasonsand realistic station system
Realistic Wildlife
Real ecosystems for Minecraft. Wolves pack-hunt, sheep alert their herd, foxes stalk at night, and populations balance naturally
TireTrack
TireTrack is an addon for Create that makes vehicle movement more realistic. Wheels leave tracks on the turf, and atmospheric dust effects appear. The mod perfectly complements cars and other machinery by adding greater visual detail.
Rot Timer
Adds realistic food spoilage, barrel storage bonuses, temperature-based decay, and long-lasting canned stew for a deeper survival experience.
Realistic Weight
Adds realistic weight to Minecraft
Zeo's Click Bot
Play click and keyboard sounds ingame! The most realistic clickbot mod for Minecraft.
Wooden Stairs Crafts
Modify the recipe for wooden stairs to make it more realistic.
Realistic Cakes
Makes the cake item edible, with durability for each slice stage.
Dynamic Villager Drops
Gives Villagers realistic death drops based on their profession.
Realistic Survival - Updated
An unofficial fork of Realistic survival that aims to / tries to always support the latest version
Realistic Erosion
This mod adds in realistic erosion somewhat based on the old erosion mod but includes new blocks in the soil/rock erosion path and also includes an erosion path for ice/snow
Biomes O' Remin
Small Compatibility between Biomes O' Plenty and Realistic Minerals, adding Rose Quartz to the Quartz tags.
Slow Mining
Reduces mining speed, making progression slower and more realistic.
Realistic Growth
This plugin allows saplings and plants to replant themselves on the correct ground when they despawn
Dead Body
The Most Advanced Realistic Lootable GUI Corpses Graves and Dead Bodies for Mobs and Players in Minecraft! + PVP Logging Solutions & More
Normal respawning for Overly-Realistic
An addon for Overly-Realistic to make death more vanilla-like
NeoGuanNiao
Neo Guan Niao adds a living bird ecosystem to Minecraft, featuring realistic behaviors, individual bird traits, breeding, nests, bird guides, and immersive wildlife interactions.
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!
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