
OneBlock 1.21.11 (Mounts of Mayhem)
Since 2022 | OneBlock is a adventure map with alot of Fun. | 1.21.11 | Mounts of Mayhem is Live! | [Continuation of IJAMinecraft's Oneblock!] | {This is a…
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OneBlock Reborn
OneBlock Reborn is a Adventure map, it is continuation of IJAMinecraft's OneBlock Map. in this map you will spawn on a single block that floats above the void. The Block is an infinite block and you passes through different phases based on different biomes. The map is full of adventure.
Download OneBlock: https://www.curseforge.com/minecraft/worlds/oneblock-reborn
Download Original (IJAMinecraft) : https://ijaminecraft.com/oneblock
About :
In this map you will spawn on a single block. This map contains 15 phases and each phase has a different and unique theme. You can also enter The Nether or The End.
Blocks and Mobs spawns according to phases in this Map. Calcite and Tuff recipes are added to this map (See Images). OneBlock Reborn was previously OneBlock Classic.
Original Project can be found on Curseforge
! How to Install ! (Singleplayer)
- Download the map and extract it using WinRAR or 7Z.
- After extracting you will get a folder.
- Now go to Minecraft and go to Create New World option.
- After that click Datapack option and then click Open Pack Folder.
- Now go to Minecraft and go to Create New World option.
- After Coping come to Minecraft and Select the OneBlock Datapack and click Done .
- Now go to More World Option and Set the World Type to Superflat.
- After Selecting Superflat click on Customize and Remove Every Layer and click Done.
- Now click Create new World.
- That's it OneBlock is installed.
- Now you can enjoy it in Minecraft.
! How to Install ! (Multiplayer)
- Create the World By Folowing the Above Steps.
- Now go to any server host and Uplode the World to the Server Host.
- And you can Enjoy OneBlock in Multiplayer.
Credit / Links
IJAMinecarft's Youtube Channel.
IJAMinecarft's OneBlock Project.
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.11
- 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 Modrinth — 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.
- Downloads as OneBlock_Reborn.zip
- Download size: 368 KB
- Download link checked 26 Aug 2026 — working
These come from our own check of the pack file, not from the source page.
