🚀 PROMETHIUM OPTIMIZED
Performance Without Compromise
✨ The Minecraft You Deserved All Along
You've played modded Minecraft. You know the deal — bloated packs, chunk stutters, audio that sounds like it came from 2011, and FPS graphs that look like a heart attack.
Promethium Optimized is different.
No fluff. No gimmicks. Just a surgically engineered modpack that makes your game run faster, feel more alive, and sound more real — without touching a single block of vanilla gameplay. Every mod here earns its place. Nothing is wasted.
Built upon the trusted foundation of Fabulously Optimized, we took it further. Deeper. Better.
⚡ What You Actually Get
🔥 Extreme Performance, No Asterisks
This isn't "optimized for high-end machines." Promethium is built to squeeze every frame out of whatever you're running on. Faster chunk loading, smarter rendering, reduced memory overhead — the kind of gains you feel the moment you load in. Smooth. Consistent. Reliable.
🎮 A World That Feels Alive
Better particles. Dynamic lighting. Animations that breathe. Promethium doesn't just make Minecraft run better — it makes it feel better. The world reacts, moves, and flows in ways vanilla never could.
🎧 Audio That Hits Different
Sound Physics Remastered changes everything. Footsteps echo in caves. Rain sounds different under a tree. Wind carries. Explosions have weight. Once you play with it, you can't go back.
📦 The Modpack at a Glance
✅ 86 Handpicked Mods — Every single one serves a purpose
✅ Zero Conflicts — Tested, stable, and production-ready
✅ Fabric-Based — Lightweight loader, maximum compatibility
✅ Regularly Updated — Bug fixes and improvements, ongoing
✅ Completely Free — No paywalls, no nonsense
🌟 Why Promethium Optimized?
|
Without Promethium |
With Promethium |
| Chunk Loading |
Stuttery, inconsistent |
Smooth, near-instant |
| Audio |
Flat, directionless |
Spatial, immersive |
| Animations |
Rigid, vanilla-stiff |
Fluid, natural |
| Lighting |
Static, baked-in |
Dynamic, reactive |
| Memory Usage |
Unmanaged bloat |
Optimized, stable |
| FPS Stability |
Drops under load |
Consistent ceiling |
📊 Real Performance — Real Hardware
Tested on Intel Core i9-14900HX · RTX 4090 · 32GB RAM
| Scenario |
Vanilla |
Promethium Optimized |
| Idle (in world) |
~180 FPS |
~1000 FPS |
| Active exploration |
~95 FPS |
~870 FPS |
| Dense area (village) |
~70 FPS |
~560 FPS |
| Shader enabled (Iris) |
~45 FPS |
~160 FPS |
| RAM usage |
~8.2 GB |
~7.1 GB |
| Chunk load time |
~2.2s |
~0.3s |
Results may vary by world seed, render distance, and shader pack. Tested at 16-chunk render distance.
📜 License & Usage
PROMETHIUM OPTIMIZED - PUBLIC DOMAIN LICENSE
Version 1.0 | February 2026
DEDICATION TO PUBLIC DOMAIN
The authors and contributors of Promethium Optimized (hereinafter referred to as "the Software") hereby dedicate all rights, title, and interest in and to the Software, including all derivative works and modifications, to the public domain, effective as of February 2026, in perpetuity.
To the extent permitted by applicable law, the copyright holders and contributors waive any and all copyrights, moral rights, trademark rights, and any other intellectual property rights in the Software.
This Software is FREE to use, modify, distribute, and commercialize without restriction or permission.
ENCOURAGEMENT TO PROVIDE ATTRIBUTION
While not legally required, the authors strongly encourage all developers, users, and distributors of Promethium Optimized to provide proper attribution and credit to the original authors when using, modifying, or distributing this Software or derivative works.
Proper attribution helps:
- Recognize the original creators' work
- Build community trust
- Support further development
DISCLAIMER OF LIABILITY
THE SOFTWARE IS PROVIDED ON AN "AS-IS" BASIS, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS, CONTRIBUTORS, OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES, OR OTHER LIABILITY ARISING FROM, OUT OF, OR IN CONNECTION WITH:
- The use or inability to use the Software
- Modifications to the Software
- Errors, omissions, or defects in the Software
- Any loss of data, profits, business interruption, or personal injury
- Any indirect, incidental, special, consequential, or punitive damages
By using, modifying, or distributing Promethium Optimized, you assume all risks and accept full responsibility for any consequences.
The authors assume NO LIABILITY for any issues, problems, or damages resulting from the use of this Software in any form.
SUPPORT & CONTACT INFORMATION
Users requiring support or assistance with Promethium Optimized may contact the author through the following official channels only:
⚠️ IMPORTANT NOTICE:
- Support is provided exclusively through Gmail and Discord
- Do not rely on third-party sources, alternative social media platforms, or unofficial channels
- To ensure you receive authentic support and avoid impersonation, please contact only through the official channels listed above
TERMS OF USE
- Freedom of Use: You are free to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software.
- Attribution (Encouraged but Not Required): While attribution is not legally required, creators are strongly encouraged to credit "Promethium Optimized" and its original authors.
- No Warranty: The Software comes with absolute no warranty.
- No Liability: The authors accept no responsibility for any consequences of using this Software.
- Perpetual License: This license is effective as of February 2026 and remains valid indefinitely in perpetuity.
This work is dedicated to the public domain. Use freely, create freely, share freely.
🤝 Support & Community
Have questions? Found a bug? Want to suggest something?
⚠️ Official channels only. Do not trust support from unofficial sources or other social platforms — impersonation exists and we can't vouch for it.
📧 Email: abcxyzdonq@gmail.com
💬 Discord: @yangdawn — Direct link
🙏 Special Thanks
Promethium Optimized exists because of the incredible people who built the tools we stand on:
- The team behind Fabulously Optimized — the foundation that made this possible
- Every mod developer whose work appears in this pack — you are the backbone
- The Fabric community for maintaining a loader worth building on
- You — for choosing to play it
⚖️ Legal Disclaimer
Promethium Optimized is provided AS-IS, without warranty of any kind. The authors assume no liability for any issues arising from use of this modpack. By downloading and using this modpack, you accept full responsibility for any consequences.
See LICENSE.txt for complete legal terms.
🚀 Ready?
Download Promethium Optimized and experience what Minecraft was always capable of.
⚡ Faster Frames • 🎧 Real Sound • 🎮 Smoother Feel • 💯 Free Forever
📧 abcxyzdonq@gmail.com | 💬 Discord: @yangdawn
This work is dedicated to the public domain. Use freely — but credit when it counts.
Promethium Optimized © 2026 | Public Domain License
📋 Full Mod List
- Abridged by Apollo
- AchievementOptimizer by Big_Energy
- AmbientSounds by CreativeMD
- Animatica by FoundationGames
- Anvian's Lib by anvian
- AppleSkin by squeek502
- Architectury by shedaniel
- AttributeFix by Darkhax
- BadOptimizations by Thosea
- Balm by BlayTheNinth
- Better Biome ReBlend by FionaTheMortal, UTMG
- Better Mount HUD by Lortseam
- BetterF3 by cominixo, TreyRuffy
- BetterGrassify by UltimatChamp, JayemCeekay
- Bobby by johni0702
- Capes by Cael
- Cardinal Components API by UpcraftLP, Pyrofab
- Carry On by Tschipp, Purplicious_Cow
- Chunky Chunks by Chunky Chunks Team
- Cloth Config v20 by shedaniel
- Clumps by Jared
- Collective by Rick South
- Config Manager by TheBossMagnus
- Continuity by PepperCode1
- Controlify by isXander
- CorgiLib by Corgi Taco, Joseph T. McQuigg (JT122406)
- CreativeCore by CreativeMD, AriaFreeze
- Cristel Lib by Cristelknight
- Cubes Without Borders by Kir_Antipov
- DarkTimer - Clear Entity Lag by GamerPotion, Rav115
- Debugify by isXander
- Disconnect Packet Fix by ascpixi
- Dynamic FPS by juliand665, LostLuma
- Dynamic Lights by Tschipcraft
- EntityCulling by tr7zw
- ExploitationTimer by anvian
- Fabrishot by ramidzkh
- FallingTree by Rakambda
- FastQuit by contaria
- FerriteCore by malte0811
- Forge Config API Port by Fuzs
- GeckoLib 5 by Tslat, Gecko
- Gpu memory leak fix mod by
- ImmediatelyFast by RK_01
- Immersive Optimization by Luke100000
- Jade by Snownee
- Just Enough Items by mezz
- LambDynamicLights by LambdAurora
- Language Reload by Jerozgen
- Lithostitched by Apollo
- M.R.U by IMB11 (mineblock11)
- Main Menu Credits by isXander
- MidnightLib by Motschen
- MixinTrace by comp500
- Mob AI Tweaks by n0t_UN_Owen/NotUnaNancyOwen
- Mod Menu by Prospector, haykam821, TerraformersMC
- ModernFix by embeddedt
- Mouse Tweaks by Ivan Molodetskikh (YaLTeR)
- No Chat Reports by Aizistral
- Noisium by coredex-source, Steveplays28
- Packet Fixer by TonimatasDEV
- Paginated Advancements by DaFuqs
- PrickleMC by Darkhax
- Puzzle by PuzzleMC, Motschen
- Reese's Sodium Options by FlashyReese
- Resourceful Lib by ThatGravyBoat, Epic_Oreo
- Resourcefulconfig by ThatGravyBoat
- ScalableLux by Spottedleaf, ishland
- Searchables by Jaredlll08
- Server Pinger Fixer by JustAlittleWolf
- Simple Snowy Fix by KostromDan, Apollo
- Smart Particles by Andrew-Chedid
- Sodium Extra by FlashyReese
- Sodium Shadowy Path Blocks by Rynnavinx
- Sound Physics Remastered by Sonic Ether, vlad2305m, Max Henkel, Saint
- Sounds by IMB11 (mineblock11)
- Structure Layout Optimizer by TelepathicGrunt
- TabInfo by Me!
- Tectonic by Apollo
- TerraBlender by Adubbz
- Too Many Entities by Discusser
- Villager Names by Rick South
- YetAnotherConfigLib by isXander
- cupboard by Someaddon
- quick-pack by Drex
- spark by Luck