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LevelUP: Leveling APIMinecraft mod for 1.21.1

Leveling and progression API, a global, unified and customizable leveling system.

newest supported 1.21.1Adventure RpgLibrary Api
Latest version
1.21.1-Neo-4.1
Minecraft
1.21.1
Java
Java 21+
Loader
NeoForge
Licence
not stated
Downloads
33.3k
Updated
1 mo ago
Available on
CurseForge

Screenshots

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

Minecraft versions

Every version LevelUP: Leveling API declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.1NeoForge21+declared8 Aug 2024

Download

From LevelUP: Leveling API’s own host. Nothing is re-hosted here.

1.21.1-Neo-4.1release30 Jul 2026

levelup-4.1.jar · 100 KB · for 1.21.1

Download latest
0dfd80bcdf9e…
Older versions8
  • Update 421 Jul 20261.21.1100 KB79 downloads742d6d6535dc…Get
  • Update 3.12 Jun 20261.21.183 KB2.8k downloadsee5e6a22e261…Get
  • Update 313 May 20261.21.176 KB107 downloads774e25ab39c2…Get
  • Update 2.222 Apr 20261.21.171 KB1.7k downloadsaea24cf72607…Get
  • Update 2.115 Apr 20261.21.170 KB36 downloadsdac4924958d7…Get
  • Update 214 Apr 20261.21.170 KB47 downloadsbb9d85ee7a0d…Get
  • Update 14 Apr 20261.21.161 KB56 downloads4bd094c0ec07…Get
  • Release19 Mar 20261.21.150 KB25 downloadsdb16b3767637…Get

Frequently asked

Does LevelUP: Leveling API work on Minecraft 1.21.1?

Yes. 1.21.1 is the newest Minecraft version LevelUP: Leveling API 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 platform or loader does LevelUP: Leveling API support?

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 LevelUP: Leveling API?

On the newest Minecraft version it supports, Java 21 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.

How do I install LevelUP: Leveling API?

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 LevelUP: Leveling API safely?

Start with the author's page on CurseForge, 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 1 mo ago against CurseForge. 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? .