Minecraft Java 1.21 Mods
Browse 142 free mods for Minecraft Java 1.21 — popular picks include Create - New Age Survival, Aeronautics: Skyward, Nuclear Age.
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Create - New Age Survival
Create Realistic Survival, with magic, machines and beautiful world!
Aeronautics: Skyward
Build, fly, dive, and explore — airships, submarines, and rockets, all with realistic physics.
Nuclear Age
A Mod that aims to add realistic nuclear reactors with functioning radiation and a requirement to get rid of waste.
Totem of Undying Muzan
This Totem Factory DBX pack transforms the Totem of Undying into a pixel-art design of Muzan Kibutsuji.
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.
fm - fog machine
better fog resource pack for minecraft
Source Engine Water
An Iris shader pack that recreates Source Engine water by reverse-engineering its 2004 and 2007 water-rendering implementations
FakeGun
This is a relatively friendly firearms plugin, featuring realistic ballistics, a variety of weapons, and simple purity. It includes a recipe book.
Totem of Undying Inosuke
This Totem Factory DBX pack replaces the Totem of Undying with Inosuke Hashibira, capturing his wild boar mask and aggressive fighting spirit in bold pixel art
Camera+
Camera+ is a Minecraft plugin that enables realistic camera functions, screenshots, perspective changes, and creative filmmaking for players and servers.
Bobi's Realm
Explore Bobi's Realm, a massive, realistic Minecraft world. No survival pressures—just endless landscapes, cinematic weather, and immersive biomes. Adventure, creativity, and exploration await every corner of this breathtaking realm.
IronMile
Immersive driving with realistic vehicle handling.
Ocolet909's Modpack
A mod for me and my friends, first time here. The mod contains food mods such as farmers delight, some weapon mods that add realistic rifles, 1 mod that adds simple tiers, and alot of performance mods to keep it running on school laptops.
RealNpcs
RealNPCs is a highly advanced, cinematic PvP bot plugin designed for recording epic 1v100 horde battles and realistic bot combat in Minecraft!
FWG: Megapack
This comprehensive modpack centers heavily around the Create mod and its vast ecosystem—including realistic physics and aeronautics—to offer a deeply immersive industrial and engineering experience.
ULTIMATE SMP LITE
A lightweight SMP utility plugin with homes, teams, TPA, scoreboard, and realistic tree gravity. Designed for clean, simple, performance-friendly survival servers.
Realistic Crafting
Players have a random chance of getting either an Enchanted, Broken or Normal Tools and Armor
GalaxyByne's Economy
Run your own realistic bank with this server economy datapack!
AeroBoots
AeroBoots is an advanced jetpack boots plugin for Minecraft 1.21.5 that allows players to fly in a controlled and epic way. With optimized visual effects, realistic rocket sounds, and a strict system without fall damage protection
Totem of Undying Sakonji Urokodaki
This Totem Factory DBX pack reimagines the Totem of Undying as Sakonji Urokodaki, featuring his iconic tengu mask and calm, disciplined presence
Better Explosions Enhanced
A very simple modpack that make explosions look and act cooler ! Realistic explosions for Minecraft !
msp
Realistic orbital physics, rocket engineering, and space program progression for Minecraft. Build Create contraptions, launch them with real gravity/drag/re-entry, do science, unlock tech via FTB Quests.
RealMobScale
Realistic animal scaling based on real measurements | light-weight plugin.
BasicNuclearCraft
Semi-realistic radiation mod which adds radiation, protective clothing, nuclear reactor, sickness mechanics and more
Sable Gravity
Adds realistic gravity between Sable Aeronautics ships.(made with ai)
Thermostats
⚡A plugin that adds realistic temperature to your server. Make the server more hardcore and more attractive for survival!
Create: Skyward Engineering
A dieselpunk modpack featuring Create Aeronautics and Big Cannons, realistic flight physics, immersive animations, and majestic Terralith world generation.
Terra utlima
Immersive survival modpack featuring new biomes, dangerous creatures, custom weapons, quests, realistic progression, thirst management, dynamic seasons, and advanced technology for a challenging, strategic, and captivating adventure experience.
Better Radioactive
Adds Uranium ore, blocks, and radioactive potion effects. A vanilla-plus tech mod for NeoForge 1.21.8 aiming for realistic nuclear energy.
SmartLife
A realistic evolution 🧬 plugin! Your playstyle (mining ⛏️, fighting ⚔️, building 🧱) dynamically shapes your player's traits 📈, mood 😊, and energy ⚡.
Modpack Used By Poldo_TMG
Modpack used by Poldo_TMG - Contains immersive and realistic mods for servers or other.
FishBot
Automatic fishing mod with realistic behavior and in-game configuration.
Realistic Aeronautics
A realistic modpack featuring a wide variety of realism-focused mods, including Create Aeronautics.
Realistic Generators
Most power mods hand you a block that makes energy. Realistic Generators hands you a process — fuel → heat → steam → rotation → electricity. Build it well and it hums. Build it wrong and it tells you why.
IFC Reloaded
Transform your Minecraft maps into stunning HD artwork with full RGB color support, and easily upload your own images directly from the game using the /ifc command.
Crusted Gears
This modpack transforms your Minecraft survival into a massive industrial and exploration journey. It forces you to rethink automation from basic gears to quantum lasers while exploring colossally overhauled dungeons and realistic mountain ranges