Neoforge Mods for Minecraft 1.21
Browse 149 free Neoforge mods for Minecraft 1.21 — popular picks include Mechanical suffering, JOJO - stone block crusaders, Fiber-Optic Cables.
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Mechanical suffering
Modpack with little bit of everything. Create, BetterEnd and BetterNether, Ice & Fire, Born in Chaos, Cataclysm , Mowzies mobs and lot more.
JOJO - stone block crusaders
Adds many features from the popular manga/anime jojo's bizzare adventure (jjba)
Fiber-Optic Cables
Adds a fiber optic cable, used to instantaneously transfer multiple redstone signals within a one block space.
Survival Economy
The Survival Economy is a trading block from an interface where players can sell their items.
DINOsmp Mod - Industrial Evolution
A multiplayer-focused modpack emphasizing industrial automation, challenging survival mechanics, and optimized performance for long-term SMP play.

Hardcore Enforcer
Forces hardcore world generation and disables cheats - Completly configurable.
TechMeg-Endless Survival-
TechMeg – Endless Survival is a challenging survival modpack that expands vanilla gameplay with progression tweaks, multiplayer-friendly mechanics, and enhanced exploration.
InventoryExchange
InventoryExchange is a Minecraft mod that extends player inventory management and integrates with ProjectE’s EMC & knowledge systems to provide a creative-like experience while in survival mode.
Mattutomon - MTT
Minecraft modpack focused on Pixelmon and other mods, offering a survival and exploration experience that combines Pokémon adventure with classic Minecraft mechanics.
RS Infinity Booster FIXED
A Port from the original mod fixing the infinity boosters when using it in survival
Death'sCut
Death’s Cut adds a survival twist to Minecraft: when you die, you lose the loot in 50% of your inventory slots at random - harsher than Vanilla, but lighter than Hardcore.
Fix Calcite Deepslate and Tuff
Makes Calcite, Deepslate, and Tuff renewable in survival.
Sky Crushes
SkyCrushes is a progression-based processing mod that adds mechanical Trituradores (Crushers) to process raw minerals, geodes, and space materials.
Kindling Age
Kindling Age enhances early survival with lightweight, vanilla-friendly mechanics that make the first days more deliberate without adding grind or hard gates.
Dragons and Vampires
Dragon survival and vampirism compat. Makes dragon survival dragons immune to vampirism infections.
Untitled Modpack - Hard Survival
Untitled Modpack enhances survival with immersive world generation, fluid movement mechanics and automation.
Pickaxes+
a collection of cursed, enchanted, and hella beefed-up pickaxes designed to make your survival world weep and your friends ask 'what the hell is that.'
Inferno - Hardcore
Transforms Minecraft's hardcore mode into an unforgiving survival experience.
Bigger and Better?
The mod can change the body shape of any organism in survival mode
Wararmbise
Equip yourself for the frontlines with specialized field medic uniforms and tactical camouflage gear designed for both stealth and survival.
Simply Fly
It just adds a survival command. /fly lets you fly just like creative mod for constructing.
Rasterpiece Theater
A mod that adds the FNaF franchise to Minecraft. This mod is more survival-based than creative.
Let There Be Light
This pack adds a crafting recipe for light blocks, allowing illumination in your survival world.
FlexBorder
FlexBorder adds a fully configurable world border system designed for PvP, survival, and Battle Royale–style servers.
Artilide
Artilide is a modpack that attempts to transform Minecraft's balancing and base mechanics to keep survival aspects for late game, along with overhauling exploration as a whole.
Command Suite
Command Suite adds a collection of useful commands for survival, creative building, testing, and administration, including God Mode, flight, healing, night vision, and more.
MineRP
A mod with items and mechanics for RP servers and survival.
Sloths Display Entity Editor
Create, modify, and delete Block and Item displays, even in survival!
FullBelly
All forms of movement now consume hunger, making food a fully utilized resource and turning every action into a meaningful part of survival.
Impossiblecore: Hardcore Ascended
A mod aimed at improving the survival/hardcore experience.
Half Heart Only?
Survival challenge where players only have half a heart.
Builders Bundles
A survival friendly fix to minecraft's inventory problem - designed for builders.
简易生存 Simple Survival
I added over 100 recipes! 【Breaking the balance】
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.
Limited World Helper
This Mod adds craftings and trades to Minecraft for those who play in structureless superflat and/or skyblock!
[SW] Aether Tweaks
Simplifies Aether accessories to capes + gloves, replaces survival inventory with accessories screen, and restricts Sun Altar to OP players.