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OneBlock 1.21.11 (Mounts of Mayhem)

OneBlock 1.21.11 (Mounts of Mayhem)

MAP
Since 2022 | OneBlock is a adventure map with alot of Fun. | 1.21.11 | Mounts of Mayhem is Live! | [Continuation of IJAMinecraft's Oneblock!]
by Gamerz_Riot
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Updated Oct 14, 2026
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Adventure Creation Game Map Survival
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⛯ Links ⛯

⮞ OneBlock Reborn [Datapack] ⮜

⮞ SkyBlock Horizon [Map] ⮜


After the final 1.21 Update, OneBlock Reborn map
will be a standalone map generation datapack

⛯ 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 and challenges


⛯ Mention Credits to showcase on Social Media.

 > 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.

Video Tutorials

! How to Install ! (Singleplayer)

  • Download the map and extract it using WinRAR or 7Z.
  • After extracting you will get a folder.
  • After that copy or move the folder to minecraft saves folder.
  • That's it OneBlock is installed.
  • Now you can enjoy it in Minecraft.

! How to Install ! (Multiplayer)

  • Download the map and extract it using WinRAR or 7Z.
  • Now rename the extracted folder to "world".
  • After that, upload the "world" folder to your Server Host.
  • That's it OneBlock is installed on your server.
  • Now you can enjoy it in your Minecraft Server.

Credit / Links

IJAMinecarft's Youtube Channel.

IJAMinecarft's OneBlock Project.

OneBlock_Reborn_1.2.4
MC 1.21.11
Release 2025-12-15 Get
OneBlock_Reborn_1.2.3
MC 1.21.9, 1.21.10
Release 2025-10-05 Get
OneBlock_Reborn_1.2.2
MC 1.21.8, 1.21.7
Release 2025-09-17 Get
OneBlock_Reborn_1.2.1
MC 1.21.8, 1.21.7, 1.21.6
Release 2025-08-25 Get
OneBlock_Reborn_1.2.0
MC 1.21.5
Release 2025-08-18 Get
OneBlock_Reborn_1.1.9
MC 1.21.4
Release 2025-05-12 Get
OneBlock_Reborn_1.1.8
MC 1.21.3, 1.21.2
Release 2025-02-15 Get
OneBlock_Reborn_1.1.7
MC 1.21.3, 1.21.2
Release 2025-01-06 Get
OneBlock_Reborn_1.1.6
MC 1.21, 1.21.1
Release 2024-08-25 Get
OneBlock_Reborn_1.1.5
MC 1.20.2, 1.20.3, 1.20.4
Release 2024-03-26 Get
OneBlock_Reborn_1.1.4
MC 1.20.2, 1.20.3, 1.20.4
Release 2024-01-08 Get
OneBlock_Reborn_1.1.3
MC 1.20.2
Release 2023-10-03 Get
OneBlock_Reborn_1.1.2
MC 1.20.1, 1.20
Release 2023-08-16 Get
OneBlock_Reborn_1.1.1
MC 1.20.1, 1.20
Release 2023-07-24 Get
OneBlock_Reborn_1.1.0
MC 1.20.1, 1.20
Release 2023-06-29 Get
OneBlock_Reborn_1.0.9
MC 1.19.3
Release 2023-02-21 Get
OneBlock_Reborn_1.0.7
MC 1.17.1, 1.18.1, 1.17, 1.18.2, 1.18
Release 2022-12-19 Get
OneBlock_Reborn_1.0.8
MC 1.19.3, 1.19.2, 1.19.1, 1.19
Release 2022-12-19 Get
OneBlock_Reborn_1.0.5
MC 1.17.1, 1.18.1, 1.17, 1.18.2, 1.18
Release 2022-10-15 Get
OneBlock_Reborn_1.0.6
MC 1.19.2, 1.19.1, 1.19
Release 2022-10-15 Get

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