CurseForge · Minecraft modpack
Techopolis 3
A modpack all about automation and tech
Quick answer
Which Techopolis 3 release should I use?
Techopolis_3-12.3.zip is a complete pack release for 1.21.1 with NeoForge 21.1.235. Install it as its own launcher instance. If the creator publishes a separate server file, make sure it names this exact pack release. For this loader, use Java 21. 208 mods in this pack file.
Pack setup
How should I set up Techopolis 3 for players and a server?
Use Techopolis_3-12.3.zip as the pack version. Install the pack as its own launcher instance. The creator’s listing does not name a separate server file, so check the release notes before setting up a dedicated server. Do not upload the ordinary client folder blindly.
A pack is a matched client and server setup, not one mod with an install-side label. Keep its release, loader, manifest and overrides together.
These numbers come from the pack file you chose. “Not labelled” means we don’t know which side it belongs on—not that it is safe everywhere. The file count is not a RAM estimate.
What are the server requirements for Techopolis 3?
Techopolis_3-12.3.zip. Change the pack release and its contents or setup may change too.
The selected pack release is Techopolis_3-12.3.zip. That file is for Minecraft 1.21.1 with NeoForge 21.1.235. This NeoForge setup needs Java 21. It contains 208 mod projects. The creator’s listing does not name a separate server file. Check their notes before using one, and do not upload an ordinary client folder or rebuild the pack mod by mod. A file count cannot tell us the right RAM, CPU or storage; size the server for the players and world you actually run.
About this project
What kind of pack is Techopolis 3?

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Join the discord here Discord to report bugs or request features and additions you want to see
Welcome to Techopolis 3, a tech-based modpack featuring some of the biggest and best tech mods available. Your mission is simple—create Technium Ingots. That doesn't sound too difficult, right?
Techopolis 3 introduces a completely custom resource generation system, utilizing Modular Machinery Reborn and Custom Machinery to offer a fresh experience while staying true to the original Techopolis packs. As always, you can play the way you want—Normal, Hexlands, Skyblock, and Superflat are all available world types. Additional recipes are automatically adjusted based on your chosen world type, including for servers!
Techopolis 3 also features a completely custom research system that gates certain mods and features, ensuring a structured progression. Advancing through research will help you enhance your Technium production.
The pack includes major tech mods such as Mekanism, Extreme Reactors, Immersive Engineering, Modular Machinery, and Custom Machinery. Additionally, it features familiar BBL mods, including Flight Blocks, Caveopolis, and Strainers.




Techopolis 3 also contains a completely custom research system to gate certain mods and features behind. This can be used to improve your Technium production.
Mekanism, Extreme Reactors, Immersive Engineering, Modular Machinery and Custom Machinery are some of the main mods in the pack not forgetting the usual BBL mods including Flight Blocks, Caveopolis and Strainers.
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Project description from CurseForge.
Pick your setup
Techopolis 3 by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
Made local changes? Try them in a copied instance before touching a world you care about.
Recent files
Techopolis 3 versions and loaders
Looking for an older file? The official CurseForge project page is in Resources.