Neoforge Mods for Minecraft 1.21
Browse 247 free Neoforge mods for Minecraft 1.21 — popular picks include Human Survival – Realistic Items & Survival Tweaks, Realistic Terrain Movement, Realistic Falling Tree.
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Human Survival – Realistic Items & Survival Tweaks
A lightweight NeoForge survival mod that adds simple, realistic items and tweaks to make Minecraft feel more grounded without changing the core gameplay.
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.
Realistic Falling Tree
Chop the base of a tree and watch it fall realistically in the opposite direction! Features creak & thud sounds, scattered drops along the trunk, and instant animation. No dependencies. NeoForge 1.21.1.
Better craftable trident
A simple mod that adds a realistic crafting recipe for the trident.
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.
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.
Ultimate PMW ModPack
A realistic weather modpack packed with dangerous tornadoes and violent storms.
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
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.
ExplosionGlass
Adds realistic glass shattering from explosions.
Survival Delight
Changes Minecrafts tool progression to be more realistic with Farmer's Delight integration
Ultimate Vision Pack
Ultimate Vision Pack is a carefully assembled custom build that combines the best client mods, high-quality texture packs and realistic shaders to create a truly immersive and atmospheric Minecraft world.
RP Identity
🎭 RP Identity Add immersion to your Roleplay server with a realistic and optimized identity system!
Immersion in Traffic Context 2
Adds customizable barriers & asphalt roads (+30% speed!). Design unique streets, works with/without Ultimate Car Mod. Survival recipes included. Build realistic traffic systems!
DIY hobbyists (carpentry)
A carpentery mod that enhances the player's building skills, for realistic gameplay!
Through the Seasons
An in-depth survival modpack themed around providing an experience that is both difficult for survival players and enjoyable for builders with the use of realistic season cycles, activities like growing crops and flowers, fishing, and temperature.
Researchd
Factorio research in Minecraft
SkinsAndCapes
A client-side mod that loads player skins and capes by username from an HTTP source you control — HD textures, animated GIF/APNG

Realistic Needs (Thirst)
Adds a realistic thirst system, a new hydration bar, and giant water bottles to your survival experience.
The Backrooms: Found Footage
A realistic, multiplayer-compatible, mind bending backrooms mod with infinite replayability.
VR Realistic Worlds Unlimited
Graphic edition
Rainfall
realistic dynamic rain, puddles and streams (very WIP)⚠️
Create - Tamed Frontiers
Build a thriving railway empire across vast realistic landscapes. Found colonies, automate industries, connect distant settlements by train, and turn the wilderness into a living economy.
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
Slow Mining
Reduces mining speed, making progression slower and more realistic.
Biomes O' Remin
Small Compatibility between Biomes O' Plenty and Realistic Minerals, adding Rose Quartz to the Quartz tags.
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.
Infrastructure Plus
Infrastructure Plus is a mod focused on realistic infrastructure and urban development in Minecraft. It continuously expands the game with new building assets for detailed and authentic environments. (Best use as MTR Addon)
Sable: Water Pressure
Realistic depth-based water pressure: the deeper you dive, the more it hurts — unless you're wearing Create's diving armor or building a submarine with Create: Deep seas.
Marxx's_Recipes_Plus
Marxx’s Recipes Plus is a vanilla-friendly mod that adds realistic and balanced crafting recipes for hard-to-obtain Minecraft items, introduces Copper gear, and expands Netherite progression with four new hybrid tiers, each with unique abilities.
Create Physic's - A Create Focused
A modpack focused on Create and realistic physics! Packed with multiple Create addons and other exploration mods!!

PackNeverLucky
realistic / medieval / progression based modpack for modded MC.
Create - New Age Survival
Create Realistic Survival, with magic, machines and beautiful world!
Realistic Bird Behavior
A mod that improves bird breeding behavior
WMATA - Washington DC Metro Signs
Washington DC Metro inspired station signs and transit decorations for realistic Minecraft subway and city builds.