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NuclearCraft: Neoteric

This is a re-creation of old but gold NuclearCraft on a modern MC version
by igentuman
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919,363 downloads
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Updated Jul 6, 2026
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Energy Processing Storage Technology World Gen

This is a re-creation of old but gold NuclearCraft pre-overhaul on a modern MC version

If you looking for overhaul - Neohaul

Initially this mod follows the same original concept (pre overhaul or underhaul) but with some changes.

Documentation

Checkout my other mods!

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Key Features

Rich In-Game documentation

  • Patchoili Book
  • Ponders
  • GuideMe pages

Multiblock machines

  • Fission reactor - solid-fuel, combines parts from NC and NCO. Steam mode supported.
  • Molten salt reactor - fluid-fuelled fission with port-based fuel and coolant handling.
  • Heat exchanger - cooldown hot liquids, heatup cold liquids
  • Fusion reactor - toroidal plasma multiblock.
  • Steam turbine - turns reactor/boiler steam into power.
  • Particle accelerators - linear and ring (thoroidal) builds. Build something big for endgame crafts.
  • Particle chambers - collision, decay and target chambers.
  • Kugelblitz chamber - concentrate photons into a black hole. Alternative endgame mechanics.

Wasteland dimension

  • Custom Wasteland dimension reachable through a portal.
  • Custom Wasteland biome with its own surface and ore generation.
  • Feral Ghoul mobs and a Wasteland Boss with its own lair structure.
  • Anomalies - Environmental hazards in Wastelands

Villages

  • Nuclear Scientist - a new villager profession that works at an Analyzer. Trades range from graphite, quartz and lead at novice level up to fuel isotopes, elite plates, superconducting coils and neutronium for master traders.
  • Scientist House - a custom village building added to plains, snowy, savanna, desert and taiga villages, with its own loot. Can be disabled in the config.

Nuclear weapons

  • Fission bomb (Pu-239) with a full block-destruction blast simulation.
  • Q-36 Quantite Disruptor high-tech gun with 2 firing modes. Decent damage.

Materials & processing

  • New ores, dusts, ingots, plates, parts, food, liquids, gases and acids - all using Forge tags.
  • Processors for smelting, crushing, compressing, mixing liquids/items and radiation transmutation. Each slot side-configurable, push/pull support, computer-controllable.
  • Storage blocks for items, energy and fluids (barrels, batteries, tanks). Keep content when broken, configurable with the multitool. Barrels and batteries usable in inventory slots.

Systems

  • Radiation - contamination, spread, decay and shielding. Two-way Mekanism radiation compatibility (run both sources, or disable either).
  • In situ leaching - large-scale resource extraction, up to 4x ingot production.
  • Computer support - processors and reactors expose CC: Tweaked methods.
  • Mining tools and armor.
  • Deep customization through config; JSON recipes, datapack friendly.

Full documentation: https://github.com/igentuman/NuclearCraft-Neoteric/tree/1.20/docs

Server Friendly

Built to behave on multiplayer servers, not just singleplayer.

  • Explosions respect claims - bomb and black-hole blasts fire block-break events as the placer, so FTB Chunks (and any other protection mod that cancels block breaks) keep claimed/protected chunks intact.
  • Heavy tasks run on background threads - blast simulation and multiblock validation/logic run on dedicated daemon thread pools off the main server thread, so big reactors and detonations don't stall the tick. Pools are CPU-aware and fall back to the main thread only if saturated.
  • Deep config control - explosions, radiation, world gen and machine balance are all configurable, so server owners can tune or disable features.

Items, blocks and recipes are using forge tags. So it quite friendly for modpackers.

For production and processing this mod has blocks called processors of different kinds. To smelt, crush, compress, mix liquids and items, even use radiation to transform items and fluids. And these processors are kinda handy, they store content, each slot input/output can be configured for specific side, they have pull/push support and can be controllerd by computers.

Recipes are implemented in JSON files. Datapack friendly.

To store items, fluids, energy NC can offer some blocks

Using multitool you can config input/output sides of these blocks. And they store content when broken.

Barrels and batteries can be used in inventory slots as sources.

Brings into game new resources like ores, dusts, ingots, plates, blocks and liquds.

Radiation contamination and protection.

Multiblock stuff like reactors, turbines…

Fusion Reactor multiblock



Mining tools and mining machinery. Up to 4x ingot production

In situ Leaching - new way to get tons of resources

Computers support:
screenshot image

NuclearCraft-1.20.1-1.2.28-rc1.jar
MC Client, 1.20.1, Forge, NeoForge, Server
Release 2026-07-02 Get
NuclearCraft-1.21.1-1.3.0-pre-alpha2.jar
MC Client, 1.21.1, NeoForge, Server
Alpha 2026-06-30 Get
NuclearCraft-1.20.1-1.2.28-beta6.jar
MC Client, 1.20.1, Forge, NeoForge, Server
Beta 2026-06-27 Get
NuclearCraft-1.19.2-1.0.0-alpha.6.jar
MC Client, 1.19.2, Forge, Server
Alpha 2023-11-22 Get

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