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SCP: LockdownMinecraft mod for 1.20.1

SCP: Lockdown adds a bunch of 'SCP's Derived from the SCP Wiki.

client and servernewest supported 1.20.1Mobs
Latest version
3.0.0-alpha.26w06a
Minecraft
1.12.2 to 1.20.1
Java
Java 17+
Loader
Forge
Licence
LicenseRef-CC-BY-SA-3.0
Downloads
51.1k
Updated
8 mo ago
Available on
Modrinth
Space NodeOur hosting

Host SCP: Lockdown servers

One click and SCP: Lockdown is installed with the right loader, on hardware built for it.

  • 1.20.1
  • Forge
  • 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 SCP: Lockdown declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.20.1Forge17+declared12 Jun 2023
1.16.5Forge8+declared14 Jan 2021
1.12.2Forge8+declared18 Sept 2017

Download

From SCP: Lockdown’s own host. Nothing is re-hosted here.

3.0.0-alpha.26w06aalpha3 Feb 2026

scplockdown-1.20.1-3.0.0-alpha.26w06a.jar · 2.3 MB · for 1.20.1

Download latest
78e57efa53c8…
Older versions7
  • 3.0.0-alpha.26w04a19 Jan 20261.20.12.3 MB3.1k downloads622dab0d4061…Get
  • 3.0.0-alpha.26w02a5 Jan 20261.20.12.3 MB1.6k downloads909d5cbb614c…Get
  • 3.0.0-alpha.26w01b27 Dec 20251.20.12.1 MB999 downloads64cec75c3467…Get
  • 3.0.0-alpha.26w01a25 Dec 20251.20.12.1 MB485 downloads0baa1b1ae1be…Get
  • 3.0.0-alpha.25w25a22 Jun 20251.16.52.1 MB5.8k downloads60f830861eea…Get
  • 3.0.0-alpha.25w23a6 Jun 20251.16.52.1 MB1.1k downloads5f8922f28966…Get
  • 2.4.331 May 20251.12.211.4 MB18.5k downloads410f4ebb5058…Get

Frequently asked

Does SCP: Lockdown work on Minecraft 1.20.1?

Yes. 1.20.1 is the newest Minecraft version SCP: Lockdown 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 SCP: Lockdown support?

Everything the author has declared, from 1.12.2 up to 1.20.1. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install SCP: Lockdown 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 SCP: Lockdown support?

Forge. 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 SCP: Lockdown?

On the newest Minecraft version it supports, Java 17 or newer. The requirement comes from the Minecraft version you run rather than from the mod itself, so on an older supported Minecraft the answer is that version's Java, not this one.

What licence is SCP: Lockdown under?

LicenseRef-CC-BY-SA-3.0, 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 SCP: Lockdown?

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 SCP: Lockdown 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. The download link goes to the source recorded for that release; verify the publisher, filename and checksum before running it.

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

Is this information wrong or missing something? .