Insane's Survival Overhaul (aka IguanaTweaks Reborn)

Insane's Survival Overhaul (aka IguanaTweaks Reborn)

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

by
37.0K Downloads
forgeneoforgeequipmentfoodgame-mechanics
Rent Server with this Mod

About this Mod

Completely revamp survival by changing many features, from tools being viable weapons, to hunger, to the early game, to enchanting … Check Insane's Survival Extra if you want more!

You can find early versions for 1.21.1 on Patreon!

Re-branding of Iguana Tweaks: (the mod has been removed from the forums for some reasons, [check here with the WayBack Machine the original forum post](https://web.archive.org/web/20181126012824/https://www.minecraftforum.net/forums/mapping-and-modding-java-edition/minecraft-mods/1291466-1-6-x-iguana-tweaks), or check Parker8283's port here: [https://minecraft.curseforge.com/projects/iguana-tweaks](https://minecraft.curseforge.com/projects/iguana-tweaks) )

Features include:

Also checkout these other mods for more features:

Check the sidebar for Discord and other links -->

Public modpack permissions

Go on, as long as uses CF or Modrinth launchers

Available Versions

5.4.2.2release
MC 1.21.1neoforge
June 11, 2026
5.4.2.0release
MC 1.21.1neoforge
June 1, 2026
5.4.1.2release
MC 1.21.1neoforge
June 1, 2026
5.4.1.1release
MC 1.21.1neoforge
May 31, 2026
5.4.1.0release
MC 1.21.1neoforge
May 30, 2026

How to Install Insane's Survival Overhaul (aka IguanaTweaks Reborn) on Your Server

1

Order Server

Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).

2

Set forge Loader

In the panel under "Egg", select the forge loader and matching Minecraft version (1.21.1).

3

Install Mod

Open the mod browser in the dashboard and search for "Insane's Survival Overhaul (aka IguanaTweaks Reborn)". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

forgeneoforge

Minecraft Versions

1.21.1, 1.20.1, 1.19.4 (+3 more)

Server-side

Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Insane's Survival Overhaul (aka IguanaTweaks Reborn) server crashes on startup – what to do?

Most common cause: wrong forge version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.1). You can switch loaders with one click in the panel.

Is Insane's Survival Overhaul (aka IguanaTweaks Reborn) compatible with forge and neoforge?

Insane's Survival Overhaul (aka IguanaTweaks Reborn) officially supports forge, neoforge for Minecraft 1.21.1, 1.20.1, 1.19.4. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Insane's Survival Overhaul (aka IguanaTweaks Reborn) – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Insane's Survival Overhaul (aka IguanaTweaks Reborn) consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.

Rent Modded Server

Install Insane's Survival Overhaul (aka IguanaTweaks Reborn) with just one click on your server.

Recommended RAM
4 GBab €8/mo
Min. 3 GB | +1 GB pro 8 Spieler
Create Server Now
1-Click Mod Install
NVMe SSD Storage
DDoS Protection included

Details

License
LicenseRef-All-Rights-Reserved
Server-side
Required

Supported Versions

1.21.11.20.11.19.41.19.21.18.21.12.2