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Insane's Survival Overhaul (aka IguanaTweaks Reborn)Minecraft mod for 1.21.1

Overhaul survival with many changes to existing mechanics. Weapon rebalance, enchanting rework, and much more

Latest version
5.14.2.1
Loaders
NeoForge, Forge
Licence
not stated
Downloads
2.1M
Updated
16 h ago
Available on
CurseForge

Minecraft versions

Every version Insane's Survival Overhaul (aka IguanaTweaks Reborn) declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.1NeoForge, Forge21+declared8 Aug 2024
1.20.1NeoForge, Forge17+declared12 Jun 2023
1.19.4Forge, NeoForge17+declared14 Mar 2023
1.19.3NeoForge, Forge17+declared7 Dec 2022
1.19.2NeoForge, Forge17+declared5 Aug 2022
1.19.1NeoForge, Forge17+declared27 Jul 2022
1.18.2NeoForge, Forge17+declared28 Feb 2022
1.18.1NeoForge, Forge17+declared10 Dec 2021
1.18NeoForge, Forge17+declared30 Nov 2021
1.16.5NeoForge, Forge8+declared14 Jan 2021
1.16.4NeoForge, Forge8+declared29 Oct 2020
1.16.3Forge, NeoForge8+declared10 Sept 2020
1.16.2NeoForge, Forge8+declared11 Aug 2020
1.16.1NeoForge, Forge8+declared24 Jun 2020
1.16Forge, NeoForge8+declared23 Jun 2020
1.15.2NeoForge, Forge8+declared17 Jan 2020
1.15.1NeoForge, Forge8+declared16 Dec 2019
1.15Forge, NeoForge8+declared9 Dec 2019
1.12.2NeoForge, Forge8+declared18 Sept 2017
1.12.1NeoForge, Forge8+declared3 Aug 2017
1.12Forge, NeoForge8+declared2 Jun 2017
1.10.2NeoForge, Forge8+declared23 Jun 2016
1.10.1NeoForge, Forge8+declared22 Jun 2016
1.10NeoForge, Forge8+declared8 Jun 2016

Download

From Insane's Survival Overhaul (aka IguanaTweaks Reborn)’s own host. Nothing is re-hosted here.

Browse 66 indexed releases

Most recently published release

5.14.2.1release3 Nov 2026

insanesurvivaloverhaul-5.14.2.1.jar · 2.3 MB · for 1.21.1 · NeoForge

Download this release
d0476829bc19…
Older versions24
  • 5.14.2.03 Nov 20261.21.12.3 MB0b4f146a4686…Get
  • 5.14.1.02 Nov 20261.21.12.3 MB1ecb65db332b…Get
  • 5.14.0.0-beta29 Oct 20261.21.12.3 MB51ae2f6980e3…Get
  • 5.13.2.025 Oct 20261.21.12.2 MBa7539a1258c5…Get
  • 5.13.1.024 Oct 20261.21.12.2 MB5b3b32230c39…Get
  • 5.13.0.123 Oct 20261.21.12.2 MB2816c3e5e206…Get
  • 5.13.0.018 Oct 20261.21.12.2 MBf61cc1a15a59…Get
  • 5.12.6.014 Oct 20261.21.12.2 MBb1dffbf205f4…Get
  • 5.12.5.0-beta13 Oct 20261.21.12.2 MB2ab78e4ebba1…Get
  • 5.12.4.0-alpha4 Oct 20261.21.12.2 MB33bb685c0ce5…Get
  • 5.12.3.023 Sept 20261.21.12.2 MBd671d773ca85…Get
  • 5.12.2.022 Sept 20261.21.12.2 MB598a11a3650f…Get
  • 5.12.1.022 Sept 20261.21.12.2 MBe106af305b9d…Get
  • 5.12.0.021 Sept 20261.21.12.2 MBe1a453ceb26c…Get
  • 5.11.2.0-beta9 Sept 20261.21.12.2 MBe19c681169b2…Get
  • 5.11.0.0-beta3 Sept 20261.21.12.2 MBea2ecc82adba…Get
  • 5.10.1.01 Sept 20261.21.12.1 MB7159b73a0f46…Get
  • 5.10.0.1-beta30 Aug 20261.21.12.1 MBfb347ce41523…Get
  • 5.10.0.0-beta29 Aug 20261.21.12.1 MBd24938cbc588…Get
  • 5.9.0.023 Aug 20261.21.12.0 MB3829168c2bb4…Get
  • 5.8.0.1-beta16 Aug 20261.21.12.0 MBea21956ac3db…Get
  • 5.8.0.0-beta16 Aug 20261.21.11.9 MB2cda682bc6e5…Get
  • 5.7.4.012 Aug 20261.21.11.9 MB49f547a39258…Get
  • 5.7.3.011 Aug 20261.21.11.9 MBf3a43f87a40d…Get

Frequently asked

Does Insane's Survival Overhaul (aka IguanaTweaks Reborn) work on Minecraft 1.21.1?

Yes. 1.21.1 is the newest Minecraft version Insane's Survival Overhaul (aka IguanaTweaks Reborn) 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 Insane's Survival Overhaul (aka IguanaTweaks Reborn) support?

Everything the author has declared, from 1.10 up to 1.21.1. The full list is in the table above, with the Java runtime each version needs next to it.

Which platform or loader does Insane's Survival Overhaul (aka IguanaTweaks Reborn) support?

NeoForge, Forge. 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 Insane's Survival Overhaul (aka IguanaTweaks Reborn)?

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.

How do I install Insane's Survival Overhaul (aka IguanaTweaks Reborn)?

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 Insane's Survival Overhaul (aka IguanaTweaks Reborn) 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. 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.

Details from CurseForge, where the author last updated it on 4 Nov 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? .