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Lost SoulMinecraft mod for 1.20.5

A horror mod based on the setting of the game Undertale. Have fun playing, partner =)

client and servernewest supported 1.20.5MobsGame MechanicsWorldgenCursed
Latest version
0.3.2
Minecraft
1.20.1 to 1.20.5
Java
Java 21+
Loader
Forge
Licence
LicenseRef-All-Rights-Reserved
Downloads
398
Updated
2 mo ago
Available on
Modrinth
Space NodePartner

Host Lost Soul servers

One click and Lost Soul is installed with the right loader, on hardware built for it.

  • 1.20.5
  • 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 Lost Soul declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
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 Lost Soul’s own host. Nothing is re-hosted here.

0.3.2alpha6 Jun 2026

lostsoul-0.3.2.jar · 35.9 MB · for 1.20.1, 1.20.2, 1.20.3, 1.20.4

Download latest
4dd131ee4639…
Older versions6
  • 0.3.130 May 20261.20.1, 1.20.2, 1.20.3, 1.20.4, 1.20.535.9 MB39 downloads492670d5c20a…Get
  • 0.2.216 May 20261.20.1, 1.20.2, 1.20.3, 1.20.4, 1.20.535.8 MB60 downloadsac0805957603…Get
  • 0.2.125 Apr 20261.20.1, 1.20.2, 1.20.3, 1.20.4, 1.20.525.8 MB15 downloads8de55eb0e0e8…Get
  • 0.1.118 Apr 20261.20.1, 1.20.2, 1.20.3, 1.20.4, 1.20.525.5 MB13 downloadsaff9597a4d04…Get
  • 0.0.321 Mar 20261.20.1, 1.20.2, 1.20.3, 1.20.4, 1.20.518.7 MB106 downloads2a5ba9e63c32…Get
  • 0.0.213 Mar 20261.20.1, 1.20.2, 1.20.3, 1.20.4, 1.20.518.5 MB19 downloadsb8366cdf5356…Get

Frequently asked

Does Lost Soul work on Minecraft 1.20.5?

Yes. 1.20.5 is the newest Minecraft version Lost Soul 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 Lost Soul support?

Everything the author has declared, from 1.20.1 up to 1.20.5. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install Lost Soul 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 Lost Soul 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 Lost Soul?

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 Lost Soul under?

LicenseRef-All-Rights-Reserved, 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 Lost Soul?

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 Lost Soul 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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