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modpack

DirtTW's Basement Optimize Pack

A modpack that aims to optimize Minecraft by using mostly client-side mods while maintaining the vanilla experience.

client onlynewest supported 1.21.8OptimizationLightweightMultiplayer
Latest version
no release indexed
Minecraft
1.19.4 to 1.21.8
Java
Java 21+
Loader
Fabric
Licence
MIT
Downloads
12.4k
Updated
10 mo ago
Available on
Modrinth

Screenshots

Click a screenshot to open it. Screenshots are served from the author’s own host and belong to them.

Minecraft versions

Every version DirtTW's Basement Optimize Pack declares support for, newest first, with the Java runtime that version needs.

Other modpacks
MinecraftThroughJavaEvidenceReleased
1.21.8Fabric21+declared17 Jul 2025
1.21.7Fabric21+declared30 Jun 2025
1.21.6Fabric21+declared17 Jun 2025
1.21.5Fabric21+declared25 Mar 2025
1.21.4Fabric21+declared3 Dec 2024
1.21.3Fabric21+declared23 Oct 2024
1.21.1Fabric21+declared8 Aug 2024
1.21Fabric21+declared13 Jun 2024
1.20.6Fabric21+declared29 Apr 2024
1.20.5Fabric21+declared23 Apr 2024
1.20.4Fabric17+declared7 Dec 2023
1.20.2Fabric17+declared20 Sept 2023
1.20.1Fabric17+declared12 Jun 2023
1.20Fabric17+declared2 Jun 2023
1.19.4Fabric17+declared14 Mar 2023

Frequently asked

Does DirtTW's Basement Optimize Pack work on Minecraft 1.21.8?

Yes. 1.21.8 is the newest Minecraft version DirtTW's Basement Optimize Pack declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.

Which Minecraft versions does DirtTW's Basement Optimize Pack support?

Everything the author has declared, from 1.19.4 up to 1.21.8. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install DirtTW's Basement Optimize Pack on the client or the server?

The client only. There is nothing to install on the server, so it works on any server you can already join.

Which loader does DirtTW's Basement Optimize Pack need?

Fabric. A build for one loader will not load on another, so this is the first thing to check before the Minecraft version.

Which Java version do I need for DirtTW's Basement Optimize Pack?

Java 21 or newer, because that is what the newest Minecraft release it supports requires. The requirement comes from the game rather than from the modpack itself.

What licence is DirtTW's Basement Optimize Pack under?

MIT, as stated by the author on the platform we synced it from. Check the project's own page before redistributing or bundling it.

How do I install DirtTW's Basement Optimize Pack?

Install the matching loader first, then put the downloaded file in your mods folder and start the game. The loader, the modpack and Minecraft all have to be on the same version, which is the usual reason a mod does not appear in game.

Where do I download DirtTW's Basement Optimize Pack safely?

From the author's own page on Modrinth, which is where the data here is synced from. MCReference never mirrors, re-hosts or repackages a file: every download button points at the original source, so you get exactly what the author published.

Works on the same versions

Ordered by how much of the recent Minecraft version coverage overlaps, not by popularity.

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Last checked 1 d ago against Modrinth. We do not host files and we do not republish descriptions; every download link points at the author’s own release.