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New:Sim-U-KraftMinecraft mod for 1.21.1

Have you ever wanted to build your own city in a game? To have your own territory and town residents, thriving and developing rapidly under your wise leadership as the mayor?

client and servernewest supported release 1.21.1TechnologyEconomyGame MechanicsStorage
Latest version
2.2.0
Minecraft
1.20.1 to 1.21.1
Java
Java 21+
Loaders
Forge, NeoForge
Licence
GPL-3.0-only
Downloads
278.7k
Updated
3 mo ago
Available on
Modrinth
Space NodeOur hosting

Host New:Sim-U-Kraft servers

One click and New:Sim-U-Kraft is installed with the right loader, on hardware built for it.

  • 1.21.1
  • Forge
  • NeoForge
  • One click mod install
  • Loader matched for you
  • Ryzen CPUs
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Screenshots

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

Minecraft versions

Every version New:Sim-U-Kraft declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.1Forge, NeoForge21+declared8 Aug 2024
1.20.1Forge, NeoForge17+declared12 Jun 2023

Download

From New:Sim-U-Kraft’s own host. Nothing is re-hosted here.

Most recently published release

2.2.0release14 Aug 2026

New-Sim-U-Kraft-2.2.0-neoforge-1.21.1.jar · 18.2 MB · for 1.21.1 · NeoForge

Download this release
0c197c16ffc3…
Older versions11
  • 2.1.02 Aug 20261.21.117.6 MB262afa8d3e81…Get
  • 2.0.1-fix3 Jul 20261.21.117.1 MB66.5k downloads702d3e2744e7…Get
  • 2.0.12 Jul 20261.21.117.1 MB2.9k downloads610f785e1737…Get
  • 1.1.0-fix-v1-1.20.12 Jul 20261.20.130.8 MB6.7k downloads5558cc39f837…Get
  • 1.1.0-1.20.1forge1 Jul 20261.20.130.8 MB471 downloadsa994d2e7d45c…Get
  • 2.0.01 Jul 20261.21.117.0 MB9.5k downloads997d97a3d24f…Get
  • 1.1.0v6-beta-forge29 Jun 20261.20.130.6 MB621 downloads64213abe6634…Get
  • 1.0.5b3-fix18 May 20261.20.124.2 MB13.5k downloads3b86543cbfd5…Get
  • 1.0.5b2-fix0.218 May 20261.20.124.0 MB209 downloads54115f522be9…Get
  • 1.0.5b1-fix14 May 20261.20.124.0 MB1.5k downloads718bd623f1ad…Get
  • 1.0.4b1-fix-53 May 20261.20.14.3 MB74.3k downloads352b354d1203…Get

Dependencies

What New:Sim-U-Kraftdeclares it needs, from the author’s own release metadata. A required one has to be installed alongside it or it will not load.

LDLibRequired. LDLib is a libarary mod for custom rendering, modular gui.

Frequently asked

Does New:Sim-U-Kraft work on Minecraft 1.21.1?

Yes. 1.21.1 is the newest Minecraft version New:Sim-U-Kraft 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 New:Sim-U-Kraft support?

Everything the author has declared, from 1.20.1 up to 1.21.1. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install New:Sim-U-Kraft 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 platform or loader does New:Sim-U-Kraft support?

Forge, NeoForge. A build for one platform or loader will not necessarily load on another, so this is the first thing to check before the Minecraft version.

Which Java version do I need for New:Sim-U-Kraft?

Among the supported Minecraft releases above, the highest recorded requirement is Java 21 or newer. Use the requirement for the exact Minecraft version you run; previews and snapshots may differ.

What does New:Sim-U-Kraft need to run?

It declares LDLib as required, so that has to be installed alongside it or it will not load. Each one is linked in the dependencies section above.

What licence is New:Sim-U-Kraft under?

GPL-3.0-only, 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 New:Sim-U-Kraft?

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 New:Sim-U-Kraft safely?

Start with the author's page on Modrinth, which is where the data here is synced from. MCReference does not host or repackage files. When available, recorded download links go to the source for that release; verify the publisher, filename and any available checksum before running it.

Works on the same versions

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

GeckoLibA 3D animation library for entities, blocks, items, armor, and more!BookshelfAn open source library for other mods!Cloth Config API (Fabric/Forge/NeoForge)Config Screen API for MinecraftJourneyMapReal-time map used for mapping in-game or your browser as you explore.Architectury APIAn intermediary api aimed to ease developing multiplatform mods.Enchantment DescriptionsAdds in-game descriptions for enchantments to tooltips.

Details from Modrinth, where the author last updated it on 14 Aug 2026. We do not host files or republish descriptions. Available download links point to the author’s own release.

Is this information wrong or missing something? .