Minecraft Java 1.21 Mods
Browse 146 free mods for Minecraft Java 1.21 — popular picks include Nerflytra - Nerf elytra boosting, Elytra Burn, Stellaria.
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Nerflytra - Nerf elytra boosting
Disable or discourage using rockets while flying, performant and configurable.
Elytra Burn
Say goodbye to risk-free rocket boosting!
Stellaria
A mod dedicated to fighting enemies in a space-like environment!
Aquatic Creatures
Did you know we know most about the space than own ours oceans? I want to make you feel that with this mod
MysticRocket
special infinite-use firework rockets designed for Elytra flight. Craft these glowing, enchanted rockets in four levels using rare materials
MrMexican
A client thats use on CosmicPrisons with QOL features
V Elevator
V-Elevator - Press Space to go up, Shift to go down!
NoRockets2Waste
Prevents you from using rockets accidentally!
InTheMinecraftGalaxy
A custom mod designed for the InTheMinecraftGalaxy server, bringing exciting new mechanics and items to enhance your Minecraft experience.
Mob Rockets
Send hostile Overworld mobs on an explosive one-way firework rocket ride! For hand-held, crossbow, and elytra use.
Transparent Firework Trails
Makes firework rockets' trails almost invisible while flying on an elytra
SpaceFrog's Real Pet Frogs
You can tame & make frogs your pets similar to wolves & cats. They get power-ups, they'll teleport to you on your adventures, or summon them as a mighty Frog Squad! They'll even defend you from hostile mobs (see details).
SpaceFrog's Frog Variant Changer
Change a frog's variant type using a vanilla/survival-friendly method. Works with vanilla (cold, temperate, warm) and optionally 'More Frogs 2' variants: crimson, ender, infernal, poison dart, purpur, sculk, spirit, warped, and wood.
Anything Blocks
Minecraft mod that lets players convert various items - from materials to food - into blocks. Its main purpose is compact storage, saving space and simplifying resource management.
Ozempic For Doors
OzempicFD, Gives open doors and trapdoors a 1-pixel hinge-side hitbox allowing ease of movement through block spaces that include doors or trap doors, Cauldrons and Composters.
The End Of The Moon
The End transforms into a hostile lunar environment with its own gravity, lack of oxygen, and atmospheric space effects.
MultiPlanet
Most powerful translation solution for every minecraft server!
RocketRaid
RocketRaid transforms Minecraft's crossbows into powerful RPG launchers.
Shadowed´s Infinite (Dark) Fireworks Rockets
Adds the Dark Firework Rocket, an infinite firework rocket upgradeable with netherite that allows you to change flight durations on the fly with Elytra!.
SpaceDuel
An addon for the SpacePvP plugin that adds duels.
Point Blank — Frontline Combat Launchers
Point Blank addon that adds bunch of different rocket launchers
ATNoRocketBoost
Disables rocket boosting for the elytra. This mod is server side only
Mixed Stacks
Combine similar items to save inventory space.
Chickenfix
A really hacky workaround for chickens suffocating when growing in a 1x1 space, designed for my fox-based chicken farm (temporary fix for MC-9568)
Minecraft But There Are RPG's
Five rocket launchers. One mission. Maximum destruction. Craft your way from a humble iron tube to a reality-warping Neon Launcher — fully survival-friendly, fully explosive.
Space SandBox
This massive mod replaces the standard Minecraft world with a vast expanse of the universe, where you can create your own planetary system or crash planets into one another.
Pixelmon: No More Ultra Space
No More Ultra Space [Pixelmon Sidemod] removes Ultra Space and wormholes for good, relocating every Ultra Beast into matching overworld biomes with beast chests, horde battles, and ultra terrain blocks all aquirable from the overworld.
The Rocket Sword
A single powerful weapon that lets you dash through the air, fire explosive rockets, and blow things up.
SpaceFrog's Pet Tadpoles
Fulfill your dream of having a pet tadpole! You can even attach leads and keep them as young tadpoles forever! Take them on a walk and bond, but make sure to follow local leash laws :]
Simple Space Mod
Extends world build limit and add damage on height above 500 blocks and without water breathing effect
FirmaLifeHardCore
A mod that completely overhauls Firmalife's cellar and greenhouse mechanics — no Climate Station required. Enclosed spaces are auto-detected via BFS floodfill with dynamic AABB tracking. Any insulating blocks form a functional cellar or greenhouse.
Smeshariki: Otherworld
A mod featuring diverse space content in the spirit of Galacticraft.
Delivery Rocket Mod
This mod adds rockets, which deliver items!
HideAndSeekV3.0
A hide and seek plugin. There are Hiders and Hunters in the game and it's a fun hide and seek in a limited space.
SpaceFrog's Cat Variant Changer
Change a cat's breed (variant type) using a vanilla/survival-friendly method. Choose from all kitty varieties: black, calico, jellie, orange (red), persian, ragdoll, shorthair, siamese, tabby, tuxedo, white & a special random type.
UltraSpace
Create spacesuits to allow players to travel to custom worlds