One Core [One Block]
One Core [One Block] is a modded take on the classic One Block experience — with a unique progression system that takes you from humble beginnings to powerful, automated mastery.
You start in a world with just one single block. Break it to reveal the next — and with each stage, new blocks, biomes, and challenges emerge. Every phase introduces new materials and modded features to help you grow stronger, build smarter, and explore deeper.
As your world expands, you’ll unlock the ability to automate your One Block, granting you an endless supply of resources and the tools needed to conquer every dimension.
Progression Stages
Beginning – The start of your journey: simple resources, basic survival.
Mines – Dig into the depths and uncover the first layers of stone and ore.
Mineral Caves – Rich mineral veins and new materials await underground.
Magical Forest – Discover nature infused with magic and mystical modded elements.
Deep Mines – Descend further into the earth, where danger dwell.
Deep Mineral Caves – Uncover rare gems, crystals, and the power hidden below.
Nether – Enter the fiery dimension filled with new challenges and infernal resources.
End – Confront the void and harness its mysterious energy.
Final – The ultimate stage combines everything together.
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.1
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on CurseForge — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — see the MC Java Mods guides for the full walkthrough.
One Core [One Block] is a free Minecraft Java modpack. Compatible with Minecraft 1.21.1. Downloaded 6,719 times (via CurseForge). Download it and open it directly in the game.