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CognitionMinecraft mod for 1.21.5

Formerly Experience Obelisk. Overhaul your minecraft experience with strange and arcane technologies

client and servernewest supported 1.21.5TechnologyUtilityStorageMagic
Latest version
2.4.13
Minecraft
1.18.1 to 1.21.5
Java
Java 21+
Loaders
NeoForge, Forge
Licence
MIT
Downloads
107.8k
Updated
2 mo ago
Available on
Modrinth
Space NodeOur hosting

Host Cognition servers

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

  • 1.21.5
  • NeoForge
  • 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 Cognition declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.5NeoForge, Forge21+declared25 Mar 2025
1.21.4Forge, NeoForge21+declared3 Dec 2024
1.21.3NeoForge, Forge21+declared23 Oct 2024
1.21.2NeoForge, Forge21+declared22 Oct 2024
1.21.1NeoForge, Forge21+declared8 Aug 2024
1.20.1NeoForge, Forge17+declared12 Jun 2023
1.19.4NeoForge, Forge17+declared14 Mar 2023
1.19.3NeoForge, Forge17+declared7 Dec 2022
1.19.2Forge, NeoForge17+declared5 Aug 2022
1.18.2NeoForge, Forge17+declared28 Feb 2022
1.18.1NeoForge, Forge17+declared10 Dec 2021

Download

From Cognition’s own host. Nothing is re-hosted here.

All 30 releases
2.4.13release10 Jul 2026

Cognition-v2.4.13-1.21.1.jar · 0.6 MB · for 1.21.1

Download latest
789e09b0e7d4…
Older versions24
  • 2.4.12-1.20.122 May 20261.20.10.6 MB98dd684e9edb…Get
  • 2.4.1222 May 20261.21.10.6 MBa2671a492e8d…Get
  • 2.4.11-1.20.14 Mar 20261.20.10.6 MB8a5f7800319b…Get
  • 2.4.114 Mar 20261.21.10.6 MBa1fab3145636…Get
  • 2.4.1013 Dec 20251.21.10.6 MB7a14eda1dc83…Get
  • 2.4.10-1.20.113 Dec 20251.20.10.6 MB0d4fcfe1c355…Get
  • 2.4.9-1.20.114 Nov 20251.20.10.6 MB76f9fd9201fc…Get
  • 2.4.914 Nov 20251.21.10.6 MB82f3f82eeda2…Get
  • 2.4.819 Sept 20251.21.10.6 MB3c0abb86307c…Get
  • 2.4.8-1.20.119 Sept 20251.20.10.6 MB49e59cb57bff…Get
  • 2.4.7.1-1.20.124 Aug 20251.20.10.6 MB48416221664c…Get
  • 2.4.6.1-1.20.117 Jul 20251.20.10.6 MB18ecd7271870…Get
  • 2.4.73 Jul 20251.21.10.6 MBd4dbe95f5e4c…Get
  • 2.4.6-1.20.113 Jun 20251.20.10.6 MB9b889e35f201…Get
  • 2.4.611 Jun 20251.21.10.6 MB4a0119ec3a1f…Get
  • 2.4.57 Jun 20251.21.10.6 MB64338c5365c5…Get
  • 2.4.4-1.20.13 Jun 20251.20.10.6 MBee429a55bee7…Get
  • 2.4.431 May 20251.21.10.6 MB95d0826a45c0…Get
  • 2.4.318 May 20251.21.10.6 MB13f7e1795cc8…Get
  • 2.4.214 May 20251.21.10.6 MBd90bd5a634da…Get
  • 2.4.19 May 20251.21.1, 1.21.2, 1.21.3, 1.21.4, 1.21.50.6 MB7ec7538794fe…Get
  • 2.4.05 May 20251.21.10.5 MB2cfab9c292d8…Get
  • 2.3.727 Apr 20251.21.10.5 MBd5223267a323…Get
  • 2.3.7-1.20.126 Apr 20251.20.10.5 MB504c204229d7…Get

Frequently asked

Does Cognition work on Minecraft 1.21.5?

Yes. 1.21.5 is the newest Minecraft version Cognition 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 Cognition support?

Everything the author has declared, from 1.18.1 up to 1.21.5. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install Cognition 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 Cognition need?

NeoForge, 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 Cognition?

On the newest Minecraft release 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.

What licence is Cognition under?

MIT, 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 Cognition?

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 Cognition 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 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? .