Real Time Chemistry 2 RTC2 Mod turns your Minecraft world into a giant science lab. It adds simple chemistry rules, new machines, and powerful weapons so you can run fun experiments. You get to mine special ores, build nuclear reactors, and even wear a jetpack to fly around the map safely.

Real Time Chemistry 2 RTC2 Mod

Features:

  • Massive Item Catalog: Adds over 250 blocks, 550 items, and 1000 crafting recipes to learn.
  • Radiation System: Gives you radiation sickness if you stand near dangerous materials, which requires special medicine to cure since respawning does not reset it.
  • Introduces new survival rules for thirst, wetness, and pressure.
  • Lets you build nuclear reactors to make power for late-game tools.
  • Includes a Geiger counter item so you can check your current radiation levels safely.
  • Allows you to set off nuclear bombs to clear out huge areas of land.
  • Adds a giant walking machine called the Spidertron for heavy attacks.

New Ores:

  • Spawns normal ores like Bauxite, Fluorite, and Quartz in the Overworld.
  • Hides special deepslate and Nether ores like Uraninite and Cobaltite deep underground.
  • Sends you to a brand new place called Nibiru to mine alien materials like Lunar Pyrolusite.

Weapons and Tools:

  • Equips you with crazy guns like the Flamethrower, Railgun, and Lightning Cannon.
  • Gives you a Gravity Gun and a Portable Teleporter to move things and travel fast.

Special Armor:

  • Protects you from danger with Hazmat Suits and heavy Power Armor.
  • Lets you fly across the map using a Jetpack that has an automatic pilot mode.

How to Play:

  1. Craft a Geiger Counter to keep an eye on your radiation levels while mining.
  2. Wear a Hazmat Suit and carry Radioguard medicine before working with nuclear materials.
  3. Put on a Jetpack and type in the X and Z coordinates to use the automatic pilot flying mode.
  4. Mine Uranium and Lithium to start your first nuclear reactor and collect power.

Screenshots:

Title image for the RTC mod featuring a Minecraft character in power armor
Title image for the RTC mod featuring a Minecraft character in power armor
A welcome screen explaining the hardcore survival and science features of the mod
A welcome screen explaining the hardcore survival and science features of the mod
A variety of new mineral ores spawning in standard stone cave blocks
A variety of new mineral ores spawning in standard stone cave blocks
Rare chemical ores embedded in deepslate blocks within a dark underground cave
Rare chemical ores embedded in deepslate blocks within a dark underground cave
Various colorful ores embedded in netherrack and blackstone within the Nether dimension
Various colorful ores embedded in netherrack and blackstone within the Nether dimension
A pyramid of diverse alien ores stacked in the grey Nibiru dimension
A pyramid of diverse alien ores stacked in the grey Nibiru dimension
Various weapons and utility tools from the Real Time Chemistry mod displayed
Various weapons and utility tools from the Real Time Chemistry mod displayed
Four sets of protective armor and hazmat suits displayed on armor stands
Four sets of protective armor and hazmat suits displayed on armor stands

Requirements:

Real Time Chemistry 2 RTC2 Mod Download Links

For Minecraft 1.21.1, 1.21

NeoForge 93 MB Aug 6, 2026

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