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Calvin's Broken ScriptMinecraft modpack for 1.21.1

A compilation of YouTuber Calvin's mods from his series: The Broken Script. Now supporting The Broken Script 2.0

client and servernewest supported release 1.21.1AdventureCombat
Latest version
1.1.0
Minecraft
1.21.1
Java
Java 21+
Loader
NeoForge
Licence
LicenseRef-All-Rights-Reserved
Downloads
1.6k
Updated
3 mo ago
Available on
Modrinth
Space NodeOur hosting

Host Calvin's Broken Script servers

One click and Calvin's Broken Script is installed with the right loader, on hardware built for it.

  • 1.21.1
  • NeoForge
  • One click modpack install
  • Dependencies handled
  • Tuned startup flags
  • 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 Calvin's Broken Script declares support for, newest first, with the Java runtime that version needs.

Other modpacks
MinecraftThroughJavaEvidenceReleased
1.21.1NeoForge21+declared8 Aug 2024

Download

From Calvin's Broken Script’s own host. Nothing is re-hosted here.

Most recently published release

1.1.0alpha22 Aug 2026

Calvin's Broken Script 1.1.0.mrpack · 0.4 MB · for 1.21.1 · NeoForge

Download this release
b061deabfeab…
Older versions10
  • 1.0.910 Aug 20261.21.10.4 MB9fd33887bcb0…Get
  • 1.0.819 Jul 20261.21.10.3 MB100 downloads8bdd7fb7a3e2…Get
  • 1.0.710 Jun 20261.21.10.6 MB403 downloads53e7311e9da8…Get
  • 1.0.622 May 20261.21.10.6 MB188 downloads6ab665b1223a…Get
  • 1.0.58 May 20261.21.10.6 MB105 downloads9a8140145bbf…Get
  • 1.0.47 Apr 20261.21.10.6 MB173 downloadsa50f7cec4c46…Get
  • 1.0.329 Mar 20261.21.10.6 MB69 downloadse8c1814c8596…Get
  • 1.0.216 Mar 20261.21.10.6 MB107 downloads4e1863313697…Get
  • 1.0.110 Mar 20261.21.10.6 MB69 downloadsc8e895a1ddb3…Get
  • 1.0.011 Feb 20261.21.10.6 MB31 downloadsfc975c1ccd0c…Get

Frequently asked

Does Calvin's Broken Script work on Minecraft 1.21.1?

Yes. 1.21.1 is the newest Minecraft version Calvin's Broken Script declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.

Do I need to install Calvin's Broken Script 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 Calvin's Broken Script 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 Calvin's Broken Script?

Among the supported Minecraft releases above, the highest recorded requirement is Java 21 or newer. Use the requirement for the exact Minecraft version you run; previews and snapshots may differ.

What licence is Calvin's Broken Script 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 Calvin's Broken Script?

Use a launcher that imports packs, such as Prism Launcher, the Modrinth App or the CurseForge app, and open the pack file with it. The launcher installs the right loader and mods for you; installing a pack's mods by hand is the error-prone way.

Where do I download Calvin's Broken Script 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. When available, recorded download links go to the source for that release; verify the publisher, filename and any available checksum before running it.

Works on the same versions

Ordered by how much of the recent Minecraft version coverage overlaps, not by popularity.

Re-ConsoleA continued Legacy Console Edition experience, expanded upon with modern Java Edition content and QoL! (An Official Legacy4J Project)MAX FPS: Optimized🚀 MAX FPS WITHOUT UNNECESSARY MODS! Only 16 optimization mods - NOTHING EXTRA! ✅ ALL MAJOR VERSIONS ⚡ INSTALLS ON ANY LAUNCHER! (Guide below)PacktrixPre-packed Official Modpack containing Patrix Resource Pack for easy install using Fabric/Quilt.Simply Optimized ReloadedAn unofficial port of Simply Optimized built to support every major mod loader and stay current with the newest versions of Minecraft.FPS+ PvP Boost | Ultimate FPS & Combat Client [ Every Version ]Ultra-lightweight FPS boost & PvP modpack for Fabric. Boost FPS on low-end PCs with Sodium optimizations, lower input lag, cleaner visuals, and combat HUD tweaks built for Hypixel Bedwars, Duels, PotPvP & CPVP. Maximize frames and dominate fights.香草精华 Vanilla EssenceFaithful to the origional. Better vanilla experience without any new blocks or mobs

Details from Modrinth, where the author last updated it on 22 Aug 2026. We do not host files or republish descriptions. Available download links point to the author’s own release.

Is this information wrong or missing something? .