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RetrocrashMinecraft mod for 1.21.10

Brings back the old crash screen seen in beta, alpha, and indev!

client onlynewest supported 1.21.10UtilityDecorationCursed
Latest version
1.1.0
Minecraft
1.16 to 1.21.10
Java
Java 21+
Loaders
NeoForge, Fabric
Licence
LGPL-3.0-or-later
Downloads
6.8k
Updated
11 mo ago
Available on
Modrinth

Minecraft versions

Every version Retrocrash declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.10NeoForge, Fabric21+declared7 Oct 2025
1.21.9NeoForge, Fabric21+declared30 Sept 2025
1.21.8Fabric, NeoForge21+declared17 Jul 2025
1.21.7NeoForge, Fabric21+declared30 Jun 2025
1.21.4NeoForge, Fabric21+declared3 Dec 2024
1.21.3NeoForge, Fabric21+declared23 Oct 2024
1.21.2NeoForge, Fabric21+declared22 Oct 2024
1.21.1NeoForge, Fabric21+declared8 Aug 2024
1.21NeoForge, Fabric21+declared13 Jun 2024
1.20.4Fabric, NeoForge17+declared7 Dec 2023
1.20.3NeoForge, Fabric17+declared4 Dec 2023
1.20.2NeoForge, Fabric17+declared20 Sept 2023
1.20.1Fabric, NeoForge17+declared12 Jun 2023
1.20NeoForge, Fabric17+declared2 Jun 2023
1.19.3NeoForge, Fabric17+declared7 Dec 2022
1.19.2NeoForge, Fabric17+declared5 Aug 2022
1.19.1Fabric, NeoForge17+declared27 Jul 2022
1.19NeoForge, Fabric17+declared7 Jun 2022
1.18.2NeoForge, Fabric17+declared28 Feb 2022
1.18.1NeoForge, Fabric17+declared10 Dec 2021
1.18NeoForge, Fabric17+declared30 Nov 2021
1.16.5NeoForge, Fabric8+declared14 Jan 2021
1.16.4NeoForge, Fabric8+declared29 Oct 2020
1.16.3NeoForge, Fabric8+declared10 Sept 2020
1.16.2NeoForge, Fabric8+declared11 Aug 2020
1.16.1NeoForge, Fabric8+declared24 Jun 2020
1.16NeoForge, Fabric8+declared23 Jun 2020

Download

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

1.1.0release9 Nov 2025

retrocrash-1.1.0.jar · 17 KB · for 1.21.10, 1.21.9

Download latest
7179d8b975a2…
Older versions2
  • 1.0.18 Nov 20251.21.10, 1.21.912 KB18 downloads9abb1392a91f…Get
  • 1.0.08 Nov 20251.21.10, 1.21.912 KB24 downloadse7228b0d88da…Get

Frequently asked

Does Retrocrash work on Minecraft 1.21.10?

Yes. 1.21.10 is the newest Minecraft version Retrocrash 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 Retrocrash support?

Everything the author has declared, from 1.16 up to 1.21.10. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install Retrocrash on the client or the server?

The client only. There is nothing to install on the server side. That is the author's declared design, not a guarantee for every server: one running anti-cheat or missing a counterpart mod can still object.

Which platform or loader does Retrocrash support?

NeoForge, Fabric. 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 Retrocrash?

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.

What licence is Retrocrash under?

LGPL-3.0-or-later, 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 Retrocrash?

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 Retrocrash 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.

Armor HiderHide or adjust the transparency of armor, glint, and offhand items - with full multiplayer sync. No dependencies required.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.Jade 🔍Shows information about what you are looking at. (Hwyla/WAILA fork for Minecraft 1.16+)

Details from Modrinth, where the author last updated it on 9 Nov 2025. 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? .