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Obsessively Optimized project artwork

Modrinth · Minecraft modpack

Obsessively Optimized

Obsessively Optimized is a lightweight, vanilla-friendly Minecraft optimization modpack that boosts FPS and focuses solely on FPS.

Choose a version Pick your version below, then grab the matching file.

Quick answer

Which Obsessively Optimized release should I use?

Updated today
Latest stable file Obsessively Optimized 2.1.8
Game version 1.21.11
Loader Fabric 0.20.1

Obsessively Optimized 2.1.8 is a complete pack release for 1.21.11 with Fabric 0.20.1. Install it as its own launcher instance. If the creator publishes a separate server file, make sure it names this exact pack release. 40 mods in this pack file.

Pack setup

How should I set up Obsessively Optimized for players and a server?

Use Obsessively Optimized 2.1.8 as the pack version. Install the pack as its own launcher instance. The creator’s listing does not name a separate server file, so check the release notes before setting up a dedicated server. Do not upload the ordinary client folder blindly.

Client instance Install Obsessively Optimized 2.1.8
Dedicated server setup Match Obsessively Optimized 2.1.8
Pack loader Fabric 0.20.1

A pack is a matched client and server setup, not one mod with an install-side label. Keep its release, loader, manifest and overrides together.

Plan the server requirements Read the Minecraft installation guide
Referenced mods 40
Client only 18
Server only 5
Not labelled 17

These numbers come from the pack file you chose. “Not labelled” means we don’t know which side it belongs on—not that it is safe everywhere. The file count is not a RAM estimate.

What are the server requirements for Obsessively Optimized?

Obsessively Optimized 2.1.8. Change the pack release and its contents or setup may change too.

40 mods in this pack file

The selected pack release is Obsessively Optimized 2.1.8. That file is for Minecraft 1.21.11 with Fabric 0.20.1. It contains 40 mod projects. The creator’s listing does not name a separate server file. Check their notes before using one, and do not upload an ordinary client folder or rebuild the pack mod by mod. A file count cannot tell us the right RAM, CPU or storage; size the server for the players and world you actually run.

About this project

What kind of pack is Obsessively Optimized?

A Minecraft Modpack Focusing on Performance and Performance only!

Obsessively Optimized

A lightweight Minecraft optimization modpack focused on delivering the highest possible performance while keeping the vanilla experience intact.

Whether you're playing on an older computer or simply want smoother gameplay, Obsessively Optimized combines carefully selected performance mods to improve FPS, reduce loading times, speed up world generation, and make the game feel more responsive, all without changing vanilla mechanics.

Who is this for?

  • Players with low-end PCs
  • Players who want higher FPS
  • Multiplayer players looking for better performance
  • Anyone who prefers vanilla Minecraft with better optimization

Make Minecraft run as smoothly as possible without changing anything else.

No unnecessary content.
No gameplay changes.
Just better performance.

Inspiration

This modpack was inspired by Remarkably Optimized, which I used for a long time. Thanks to its creators for helping inspire this project.

There page: https://modrinth.com/modpack/remarkably

Project description from Modrinth.

Mods in Obsessively Optimized 2.1.8

Open any mod on Modpacks.ch to check its files and dependencies.

alternate-current-mc1.21.11-1.9.0.jar SHA-1 f35f95c653c0ec99fa2aa5f993306922d00e59e9 · Modrinth version XdouG8YV · Project link unavailable Server only
asynclogger-2.2.3+1.21.11-fabric.jar SHA-1 1514721244703f0c0b8710a999e79b5599596bee · Modrinth version P5wu4rZ2 · Project link unavailable Client only
AsyncParticles-21.11.2.6+1.21.11.jar SHA-1 f3dc84446cd1336cdc3fb739d4ceb8db42fa75cc · Modrinth version 5kEz2tYW · Project link unavailable Client only
BadOptimizations-2.4.1-1.21.11.jar SHA-1 70fa28d5a7a1fdd61dd804ca6ac411750da1473f · Modrinth version Q3Dusz2j · Project link unavailable Client only
betterbiomeblend-fabric-1.21.11-1.4.0.jar SHA-1 1cbfb637c1c695c5fa3d6dbdd7074494c002d32e · Modrinth version U8nFJ6Uo · Project link unavailable Client only
c2me-fabric-mc1.21.11-0.3.6.0.0.jar SHA-1 587f9a3d9e4591e8e1a1c3eda61ed2f7bfa5dc46 · Modrinth version olrVZpJd · Project link unavailable Side not labelled
cloth-config-21.11.153-fabric.jar SHA-1 4c224606a963bce223db5b27edb4959ecf40d4ee · Modrinth version xuX40TN5 · Project link unavailable Side not labelled
Clumps-fabric-1.21.11-29.0.0.1.jar SHA-1 626fde9e970030cfc8cb64cd0a1abfc03d37ecc2 · Modrinth version OgBE8Rz4 · Project link unavailable Side not labelled
CrashAssistant-fabric-1.21.5-1.21.11-1.11.12.jar SHA-1 73327226f279787a5a872f5709d8902a4dfa8bb2 · Modrinth version j2E0IeRG · Project link unavailable Client only
debugify-1.21.11+1.2.jar SHA-1 996ddc157481f3350310fde42da3fb89bab067bc · Modrinth version eY6cliLn · Project link unavailable Side not labelled
dynamic-fps-3.11.6+minecraft-1.21.11-fabric.jar SHA-1 2e5ab45e69b43812491cfa34f8f7a4ce7623c233 · Modrinth version Fab7e5Th · Project link unavailable Client only
entityculling-fabric-1.11.3-mc1.21.11.jar SHA-1 ce2e1cf7e343a625d184c80ccea582d468686a2e · Modrinth version CTabrwB1 · Project link unavailable Client only
fabric-api-0.141.6+1.21.11.jar SHA-1 c98467cbbaf4d197377266795ae015f4130d65b6 · Modrinth version 6qAuTtLR · Project link unavailable Side not labelled
fadeless-2.0.7-1.21.11.jar SHA-1 c915116ce5b347c9f6d6ea31bd0552367ed407ce · Modrinth version rDv0F5eE · Project link unavailable Client only
fast-chest-1.6+1.21.9.jar SHA-1 e0b4d4340900e7adec6e6a747b8b740f0bed0f86 · Modrinth version hdsq0jtV · Project link unavailable Client only
fast-ip-ping-v1.0.12-mc1.21.11-fabric.jar SHA-1 01b29cf344e1d665b888d41f9650835eb347771e · Modrinth version d92wadxK · Project link unavailable Client only
ferritecore-8.2.0-fabric.jar SHA-1 c2e2f5e008f5bc9f401dfad8ca94909917006b65 · Modrinth version Ii0gP3D8 · Project link unavailable Side not labelled
FpsReducer2-fabric-1.21.11-2.15.jar SHA-1 f0ddf3c3ab482ac3222066c672de1e18c26b36fd · Modrinth version 4r2DHa7r · Project link unavailable Client only
Ixeris-4.6.11+1.21.11-fabric.jar SHA-1 821da405050266e18618f92b7493f590d4c3dbf5 · Modrinth version RZsBMOEB · Project link unavailable Client only
krypton-0.2.10.jar SHA-1 94ddaeeae6ca7fecc79e54a0aa02a5438a775a99 · Modrinth version O9LmWYR7 · Project link unavailable Side not labelled
language-reload-1.7.7+1.21.11.jar SHA-1 eb4bca721845c31d76e5105f3161ccad2d7ec57e · Modrinth version rJRsdV10 · Project link unavailable Client only
lithium-fabric-0.21.4+mc1.21.11.jar SHA-1 203bdcb26e97b3217b045e1182651a7d7b6462ec · Modrinth version Ow7wA0kG · Project link unavailable Side not labelled
logcleaner-1.0.0.jar SHA-1 d5ad1da47cd99118a768f60a7d00481ab10bc4f5 · Modrinth version wrFyE1h4 · Project link unavailable Side not labelled
modernfix-5.26.3-build.2.jar SHA-1 5a51d1a9768bbf9943e6eef83abf43d2b82baa30 · Modrinth version QrRIY2rV · Project link unavailable Side not labelled
modmenu-17.0.1.jar SHA-1 d5612d70bda58e0179b177ca9990e57471e67d19 · Modrinth version cLkYaVuL · Project link unavailable Client only
moreculling-fabric-1.21.11-1.6.2.jar SHA-1 11a929de62650cc536244d4c2ba889fa84c1c0f2 · Modrinth version wOzykoLV · Project link unavailable Client only
not-enough-vulkan-fabric-1.6.2+mc1.21.11.jar SHA-1 d6adbe3c67bb8a0b413b990503fecb41011b4fa6 · Modrinth version MBkEEkSD · Project link unavailable Client only
obe+1.21.11-1.2.0.jar SHA-1 7ffcb9636a391b264d0490a43c2249e0a4eb22e7 · Modrinth version K0N0A6aD · Project link unavailable Client only
packetfixer-fabric-3.3.5-1.21.11.jar SHA-1 087cd5f23680cacaa5841528fca815c8dbfe5999 · Modrinth version XsMMpmvW · Project link unavailable Side not labelled
placeholder-api-2.8.2+1.21.10.jar SHA-1 bbdc920ecff993148cd6e81a208536132245ce40 · Modrinth version qxjzQ9xY · Project link unavailable Side not labelled
quick-pack-fabric-1.5.1+1.21.11.jar SHA-1 f01946f69fa08213530df6bcc4577d0811951f08 · Modrinth version mUvD2wEJ · Project link unavailable Side not labelled
railoptimization-2.0+mc1.21.11-fabric.jar SHA-1 90faec003cb004c540cf0b1183a73e9da1e5b87e · Modrinth version PN0kmW1G · Project link unavailable Server only
ScalableLux-0.1.6+fabric.c25518a-all.jar SHA-1 9df93ab6442fa374c17fab6b5181fe2c215d9d5b · Modrinth version PV9KcrYQ · Project link unavailable Side not labelled
servercore-fabric-1.5.15+1.21.11.jar SHA-1 c3c6ec10b0ceddaa8f1ef53ffe57db57b4e8638f · Modrinth version zg8VIycZ · Project link unavailable Server only
vmp-fabric-mc1.21.11-0.2.0+beta.7.227-all.jar SHA-1 6d665e488ea4f301d639cdf9fd4abf3ffdb44e0d · Modrinth version 7Cxc2cAR · Project link unavailable Side not labelled
VulkanMod-0.6.8+1.21.11.jar SHA-1 f273dc13efe240532a36ee55fc2e3d88b642a76d · Modrinth version hWKRTXbQ · Project link unavailable Client only
yet_another_config_lib_v3-3.8.2+1.21.11-fabric.jar SHA-1 f99cda70903f16dd6927a276150b2762b4d5ab66 · Modrinth version pHWDw3Vc · Project link unavailable Side not labelled
zconfig-1.0.0+1.21.x.jar SHA-1 cb9fe03e6f64b900317d7edf305c1d7d43412a60 · Modrinth version yD19P1nG · Project link unavailable Side not labelled
zfastnoise-1.1.2+1.21.11.jar SHA-1 8eaf8675ab2d608d35799d85c095cfe4b02c94ef · Modrinth version XNgzYjFl · Project link unavailable Server only
zmatcomp-1.1.3+1.21.11.jar SHA-1 7b8b2f64b3e54f11aae182827a047372d2cfbc06 · Modrinth version 9TM47J4B · Project link unavailable Server only

Pick your setup

Obsessively Optimized by Minecraft version and loader

Choose the version and loader you play, then open the matching release.

10 available setups

Made local changes? Try them in a copied instance before touching a world you care about.

Recent files

Obsessively Optimized versions and loaders

16 of 16 releases match

Looking for an older file? The official Modrinth project page is in Resources.

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