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FluxEngine - Ultra Performance & Ultimate FPS Boost logo

FluxEngine - Ultra Performance & Ultimate FPS Boost

Modpack

by FluxsyumStudios

Stop the lag and unlock maximum FPS. FluxEngine is a hyper-optimized, lightweight foundation designed to deliver smooth gameplay, whether you are playing pure Vanilla+ or running heavy modpacks

Type

Modpack

CurseForge Downloads

818

CurseForge ID

1591619

Last Updated

Aug 27, 2026

Description

⚑ FluxEngine

Header

Are you tired of lag, stuttering, and low FPS compromising your Minecraft experience? FluxEngine is a meticulously crafted performance-focused modpack designed to deliver maximum optimization without altering the game's core mechanics or graphical style.

By deeply enhancing the engine's efficiency, it provides a buttery-smooth gameplay experience across both low-end PCs and high-end rigs, whether you play vanilla or run heavy modpacks.

πŸ–₯️ Editions

  • Singleplayer Edition (Default): Better performance in Singleplayer, whether playing solo or over LAN, as it also optimizes the integrated local server.
  • Server Edition: Version designed exclusively for dedicated modded servers, compatible with loaders that support both mods and plugins.

🌐 Multi-Loader Compatibility

FluxEngine supports the latest versions of the main modding platforms:

Forge Forge | NeoForge NeoForge | Fabric Fabric

⚠️ Important Note: Separate project pages exist for each loader. Please download the version that matches your chosen modloader (NeoForge, Forge, or Fabric).

〽️ Performance Benchmarks (Proof of Optimization)

πŸ“Š Test Scenario 1: (All the mods 10 - ATM 10) Test

Benchmark 1

Metric Result Average FPS 100 β†’ 170 FPS (+70%) Game Startup Up to 30% Faster Chunk Loading Faster Chunk Generation & Loading Stability Up to 80% Improved Stability

Β 

πŸ“Š Test Scenario 2: FluxEngine vs. Vanilla.

See the massive performance difference while maintaining identical graphics:

FluxEngine + 104 (Optimized) Vanilla + 104 (No Modpack) Vanilla Optimized Metric Result Average FPS 61 β†’ 111 FPS (+82%) Game Startup Up to 25% Faster Chunk Loading Faster Chunk Generation & Loading Stability Up to 65% Improved Stability

πŸ› οΈ Key Features

  • ✨ Maximum Performance (Vanilla Aesthetics): The modpack maximizes FPS, reduces memory usage, and eliminates micro-stutters while preserving the original vanilla graphics and aesthetics of the game.
  • ⚑ Drastically Improved Loading Times: Significantly faster world generation, chunk loading, and game startup.
  • πŸ“¦ Pre-Configured Common Mods: Includes widely used mods such as JourneyMap (minimap), Jade, and EMI / JEI. These mods are configured with highly tuned settings that dramatically boost their performance β€” drastically reducing loading times, minimizing stutters, and lowering RAM consumption.
  • πŸ“‰ Reduced Base RAM Usage: Achieves a lower memory footprint for the base game, allowing more headroom when adding other mods.
  • πŸ”§ Bug Fixes & Engine Tweaks: Incorporates essential patches for common vanilla issues, memory leaks, and stability improvements.
  • πŸš€ Perfect Modpack Foundation: Serves as a clean, hyper-optimized base. Add your favorite content mods (magic, tech, exploration, etc.) with confidence, knowing performance will remain excellent.

⚠️ Philosophy on Performance Mods

Many popular optimization mods were intentionally excluded after rigorous testing. In modern Minecraft versions, some of these mods can actually reduce overall FPS, introduce micro-stutters, or create severe compatibility issues. Only the most beneficial, stable, and extensively tested solutions were included.

πŸ’» How to Use

  • Option 1: Standalone (Vanilla+ Experience): Install the desired loader version and enjoy an exceptionally smooth vanilla-enhanced experience.
  • Option 2: As a Base for Custom Modpacks: Start with FluxEngine, then add your preferred content mods. The optimized foundation ensures excellent performance and stability.

🎨 Developed by Fluxsyum Studios

⚑ Logo 1 Logo 2 ⚑

Compatibility

Mod Loaders

Neoforge

Game Versions

1.21.1

Recommended Gear

Affiliate

Hardware and extras that pair well with this modpack.

As an Amazon Associate I earn from qualifying purchases.

Screenshots

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Mod 402,165,102
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Using async path-tracing to hide BlockEntities/Entities that are not visible

Mod 380,787,888
Collective

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Mod 319,343,086
FerriteCore ((Neo)Forge)

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Mod 218,235,580
Placebo

Placebo

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Mod 326,933,657
Cupboard

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Mod 198,310,243
Kotlin for Forge

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Mod 243,454,921
Sodium

Sodium

The fastest and most compatible rendering optimization mod for Minecraft. Now available for both NeoForge and Fabric!

Mod 360,682,296
Iris Shaders

Iris Shaders

A modern shaders mod for Minecraft intended to be compatible with existing Optifine shaders

Mod 130,160,236
spark

spark

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Mod 227,822,265
AttributeFix

AttributeFix

Removes arbitrary limits on Minecraft's attribute system.

Mod 245,736,371
Resourceful Config

Resourceful Config

Resourceful Config is a mod that allows for developers to make crossplatform configs

Mod 150,748,589
Packet Fixer

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A simple mod to solve various problems with packets, NBTs and timeouts.

Mod 133,234,541
Fzzy Config

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Config API with automatic GUIs, powerful validation options, server-client sync, and more!

Mod 121,581,924
Crash Assistant

Crash Assistant

Shows a GUI after Minecraft crashes, immediately showing and analyzing all affected logs.

Mod 81,282,074
Server Performance - Smooth Chunk Save[Forge/Fabric]

Server Performance - Smooth Chunk Save[Forge/Fabric]

Enables lag-free continuous chunk saving, increasing server TPS

Mod 118,842,823
AllTheLeaks (Memory Leak Fix)

AllTheLeaks (Memory Leak Fix)

This mod fixes memory leaks of some mods, Neoforge and Minecraft until they implement their fixes.

Mod 71,012,930
NetherPortalFix

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Mod 182,540,562
Lithium (Fabric/NeoForge)

Lithium (Fabric/NeoForge)

An optimization mod for Minecraft which improves server performance significantly.

Mod 215,816,345
Better Compatibility Checker

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Changes the default server compatability check to compare modpack versions

Mod 123,701,800
AI Improvements

AI Improvements

Performance and logic upgrades for mod AIs

Mod 165,644,228
FastSuite

FastSuite

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Mod 95,738,519
BadOptimizations

BadOptimizations

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Mod 113,099,889
fix GPU memory leak[Forge/Fabric]

fix GPU memory leak[Forge/Fabric]

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Mod 102,165,766
Load My F***ing Tags

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Mod 79,297,710
FastFurnace

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Mod 145,902,977
FastWorkbench

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Mod 181,143,552
Reese's Sodium Options

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Mod 150,278,875
Prickle

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Mod 57,713,521
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Mod 85,791,191
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Mod 62,674,233
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Mod 54,030,731
Sodium Extra

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Alternate Current

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Mod 108,086,857
Colorwheel

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Mod 25,755,690
Model Gap Fix

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Mod 52,585,190
Fast IP Ping

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Neruina - Ticking Entity Fixer

Neruina - Ticking Entity Fixer

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Mod 59,809,011
Max Health Fix

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Mod 57,913,432
Particle Core

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Mod 47,973,401
Structure Layout Optimizer

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Mod 33,685,321
Chloride (Embeddium++/Sodium++)

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Mod 54,060,070
Chunky (Forge/NeoForge)

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Mod 38,352,912
FlickerFix

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Mod 43,630,476
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Mod 58,212,039
MoreCulling

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Mod 88,159,331
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Flerovium

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Mod 16,584,186
CrashExploitFixer

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Mod 26,070,487
Concurrent Chunk Management Engine

Concurrent Chunk Management Engine

A Fabric mod designed to improve the chunk performance of Minecraft.

Mod 18,305,475
FPS Reducer

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Mod 71,239,207
DEUF - Duplicate Entity UUID Fix

DEUF - Duplicate Entity UUID Fix

Changes UUIDs of loaded Entities in case their UUIDs are already assigned (and removes log spam).

Mod 32,690,563
Simple Snowy Fix (Forge / Fabric)

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Fixes incorrect snow generation on tree leaves MC-119599

Mod 13,322,430
Simple Weather

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Providing an alternative, yet elegant solution for weather effects in Minecraft.

Mod 16,178,730
Immersive Optimization

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A lightweight entity-tick-scheduler for doubling your TPS.

Mod 15,913,619
Vanillin

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Instanced rendering for entities and block entities.

Mod 8,561,361
Dolphin Fix

Dolphin Fix

Server side mod that prevents dolphins from drowning when outside simulation distance

Mod 4,367,642
Golem Spawn Fix

Golem Spawn Fix

A fix for the Iron Golem spawn

Mod 7,624,137
Map Distance Fix

Map Distance Fix

A simple mod that shows a player indicator instead of a white dot when outside map boundaries.

Mod 2,325,103
Ixeris

Ixeris

Buffered raw input and threaded event polling

Mod 16,257,635
I'm Fast

I'm Fast

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Mod 14,465,797
Better Beds

Better Beds

Changes the renderer of the bed to use json models instead of a block entity renderer!

Mod 24,658,907
Ksyxis

Ksyxis

Speed up your world loading by removing unneeded chunks.

Mod 17,082,553
Non-Directional Damage Tilt Fix

Non-Directional Damage Tilt Fix

Restores a missing check in modern damage tilt code for indirect sources of damage. Fixes MC-259212

Mod 1,469,881
Horse Breeding Fix

Horse Breeding Fix

Makes so the each stat of a baby horse is atleast as good as the of better parent.

Mod 1,309,800
Configurable

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Config library that allows decentralised settings in a mod

Mod 9,227,386
HRTF Fix

HRTF Fix

Fix MC-265514.

Mod 1,365,858
Disconnect Packet Fix

Disconnect Packet Fix

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Mod 5,786,985
Neo Bee Fix

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Fix the Bees!

Mod 2,141,102
Limited Chunkloading - Chunk cleanup[Forge/Fabric]

Limited Chunkloading - Chunk cleanup[Forge/Fabric]

Server utility to clean up loaded chunks

Mod 24,187,647
NaN Health Fixer

NaN Health Fixer

Try to kill an entity with NaN health.

Mod 8,719,097
GeckolibBetterFPS

GeckolibBetterFPS

25% faster rendering Geckolib entities

Mod 1,688,310
Bow Infinity Fix (Forge/Fabric)

Bow Infinity Fix (Forge/Fabric)

Removes need to have an arrow in your inventory to use the Infinity enchant on your bow or crossbow

Mod 17,727,564
No See, No Tick

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Configurable performance mod that increases entity performance by stopping ticks based on distance

Mod 4,702,405
AsyncParticles(Archived)

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Async particle ticking/rendering.

Mod 12,757,949
OptiLeaves

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Optimize leaves rendering and increase FPS without noticeable visual changes. Supports NeoForge and Fabric.

Mod 1,866,672
Performance Tweaks

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Mod 1,496,294
BiomeSpy

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Rewrites search algorithm for /locate and Nature Compass β€” 97% less time costs.

Mod 5,486,194
Fixed Anvil Repair Cost

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πŸ’° Patches the anvil to set the default level cost, material cost and percentage repaired.

Mod 7,312,840
Achievements Optimizer

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Improved achievement performance

Mod 12,294,727
NoisiumForked

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Optimises worldgen performance for a better gameplay experience.

Mod 4,060,424
MossyLib

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Mod 4,630,778
Smart Particles

Smart Particles

A performance mod that greatly optimizes particle rendering and particle limits.

Mod 2,801,292
ResourcePackCached

ResourcePackCached

Keeps server resource packs loaded, so they don't need to be reloaded when you rejoin.

Mod 1,272,513
Bad Horse Fix

Bad Horse Fix

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Mod 641,564
FastEvent

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speeding up the Event system in Forge/Neoforge

Mod 3,579,408
quick pack

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Mod 3,866,421
FixMCStats

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Mod that aims to fix multiple issues with the Minecraft statistics.πŸ€“

Mod 78,049
Level Text Fix

Level Text Fix

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Mod 927,956
CursorCentered Fix

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A Minecraft mod that fix the cursor centering issue that occasionally happens when opening a GUI.

Mod 828,224
Async Logger

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Mod 1,968,337
NoFireOverlay

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A slim, customizable fire overlay that keeps the vanilla flames from blocking your screen β€” see clearly while on fire an...

Mod 33,378
[FL]FasterLanguage/εΏ«ι€Ÿθͺžθ¨€θΌ‰ε…₯

[FL]FasterLanguage/εΏ«ι€Ÿθͺžθ¨€θΌ‰ε…₯

Speed up language loading

Mod 13,620
JEI Trim Hider

JEI Trim Hider

A lightweight JEI addon that intelligently hides decorative Armor Trim recipes to reduce clutter and lag, while keeping...

Mod 111,454
Sodium Add-on: Substrate

Sodium Add-on: Substrate

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Mod 183,472
Lake Feature Fix

Lake Feature Fix

A simple mod that fix crashes on Lake Feature placement.

Mod 63,055
ThreadTweak Reforged

ThreadTweak Reforged

Improve and tweak Minecraft CPU scheduling (again!)

Mod 735,237
Async Locator Refined

Async Locator Refined

Changes the searching of features to be asynchronous to mitigate associated lag. Maintained version

Mod 213,521
NoPackCompatCheck

NoPackCompatCheck

Disables the β€œincompatible” warning when loading resource packs with different compact versions.

Mod 770,695
TT20 (TPS Fixer)

TT20 (TPS Fixer)

TT20 helps reduce lag by optimizing how ticks work when the server's TPS is low.

Mod 645,805
Collision Fix

Collision Fix

Fabric mod that removes client-side collisions checks.

Mod 584,403
Button Fix

Button Fix

A small client-side mod that fixes widget focus issues in any in-game GUI.

Mod 41,249
FixBookGUI

FixBookGUI

Fix the book gui placment to be in middle center instead of top center of the screen (bug report: MC-61489)

Mod 64,747
Accelerated Recoiling

Accelerated Recoiling

A mod of aabb collision optimization.

Mod 102,597
Fix Attack Lag

Fix Attack Lag

Fix the lag caused by excessive single damage during player attacks.

Mod 427,759
Krypton Hybrid

Krypton Hybrid

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Mod 181,084
Signs Faster

Signs Faster

Optimizes the text of the sign

Mod 4,636
Recipes Fixer

Recipes Fixer

A simple mod to fix various problems with recipes.

Mod 8,266
Create: Nowheel

Create: Nowheel

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Mod 319,453
Sightline

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Improves performance by getting rid of anything thats not in view (and more)

Mod 4,611
Yet Another Memory Optimization (YAMO)

Yet Another Memory Optimization (YAMO)

Don't load JAR files in memory and lazy-load DFU

Mod 33,451
Create: FPS Enhanced (2x FPS)

Create: FPS Enhanced (2x FPS)

Adds items that can replace many create components while using way less FPS

Mod 61,640
Fast Tag

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Optimize performance related to tags

Mod 30,018
Optimised Block Entities

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A client-side optimization mod to make block entities render faster

Mod 948,187
JEIOptimizer

JEIOptimizer

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Mod 184,626
Sound Culling

Sound Culling

Dynamically limits and dampens overlapping sounds to reduce audio clutter and improve performance in sound-heavy areas.

Mod 27,119
Lucis

Lucis

A lightweight server-side light engine that speeds up any light related tasks drastically up to ~8-12x faster!

Mod 8,639
Jasione

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Mod 128,234
Cullify (NeoForge)

Cullify (NeoForge)

Grass and foliage culling mod for performance

Mod 3,205
Create: Advanced Optimization

Create: Advanced Optimization

Optimize key Create systems and diagnose large factories, logistics networks, packages, trains, and processing chains wi...

Mod 9,669
Path finder

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Entity pathfinding performance optimizer

Mod 3,549
Alex's Mobs: Tweaks [Performance Optimization]

Alex's Mobs: Tweaks [Performance Optimization]

Performance addon for Alex’s Mobs across Forge, Fabric and NeoForge, supporting MC versions up to 26.2. Cuts tick cost,...

Mod 26,590
Just Enough Threads [JEI Startup Optimize]

Just Enough Threads [JEI Startup Optimize]

Speeds up JEI startup by moving its heaviest work off the main thread and across CPU cores.

Mod 6,917
SwiftGen

SwiftGen

Improves terrain gen speed

Mod 2,252
(Sodium) Streamline

(Sodium) Streamline

Improves performance by controlling when and how the game renders

Mod 3,638
Bloody's NoRealmsButton

Bloody's NoRealmsButton

This mod basically remove the realm button from the title screen.

Mod 1,085
Debloatfy

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Mod 584

External Resources