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LC²H [Lost Cities: Multithreaded]Minecraft mod for 1.20.6

LC2H V3 turbocharges The Lost Cities to massive cities, lightning-fast, silky smooth gameplay. Fully C²ME compatible. I'm proud of this, and hope everyone will enjoy using it :]

client and servernewest supported 1.20.6
Latest version
3.5.0
Minecraft
1.20.1 to 1.20.6
Java
Java 21+
Loader
Forge
Licence
LicenseRef-BRSSLA-V1.5
Downloads
14.8k
Updated
3 mo ago
Available on
Modrinth
Space NodePartner

Host LC²H [Lost Cities: Multithreaded] servers

One click and LC²H [Lost Cities: Multithreaded] is installed with the right loader, on hardware built for it.

  • 1.20.6
  • Forge
  • One click mod install
  • Loader matched for you
  • Ryzen CPUs
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Minecraft versions

Every version LC²H [Lost Cities: Multithreaded] declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.20.6Forge21+declared29 Apr 2024
1.20.5Forge21+declared23 Apr 2024
1.20.4Forge17+declared7 Dec 2023
1.20.3Forge17+declared4 Dec 2023
1.20.2Forge17+declared20 Sept 2023
1.20.1Forge17+declared12 Jun 2023

Download

From LC²H [Lost Cities: Multithreaded]’s own host. Nothing is re-hosted here.

3.5.0release24 Apr 2026

lc2h-3.5.0.jar · 1.2 MB · for 1.20.1, 1.20.2, 1.20.3, 1.20.4

Download latest
49d3080995c1…
Older versions5
  • 3.4.05 Apr 20261.20.1, 1.20.2, 1.20.3, 1.20.4, 1.20.51.1 MB996 downloads637bc4733ac7…Get
  • 3.3.07 Mar 20261.20.1, 1.20.2, 1.20.3, 1.20.4, 1.20.51.1 MB5.8k downloads1d024badd1b6…Get
  • 3.2.75 Mar 20261.20.1, 1.20.2, 1.20.3, 1.20.4, 1.20.51.0 MB72 downloadsd47d6c2af957…Get
  • 3.2.416 Feb 20261.20.1, 1.20.2, 1.20.3, 1.20.4, 1.20.51.0 MB96 downloads20a504fceed5…Get
  • 3.2.328 Jan 20261.20.1, 1.20.2, 1.20.3, 1.20.4, 1.20.51.0 MB106 downloadsc8c074cd82b8…Get

Frequently asked

Does LC²H [Lost Cities: Multithreaded] work on Minecraft 1.20.6?

Yes. 1.20.6 is the newest Minecraft version LC²H [Lost Cities: Multithreaded] 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 LC²H [Lost Cities: Multithreaded] support?

Everything the author has declared, from 1.20.1 up to 1.20.6. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install LC²H [Lost Cities: Multithreaded] on the client or the server?

Both. Every player needs it installed and so does the server, so anyone joining without it will be refused.

Which loader does LC²H [Lost Cities: Multithreaded] need?

Forge. 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 LC²H [Lost Cities: Multithreaded]?

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 mod itself.

What licence is LC²H [Lost Cities: Multithreaded] under?

LicenseRef-BRSSLA-V1.5, 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 LC²H [Lost Cities: Multithreaded]?

Install the matching loader first, then put the downloaded file in your mods folder and start the game. The loader, the mod 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 LC²H [Lost Cities: Multithreaded] 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 6 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.

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