NeoBlock - The new OneBlock
by Ashenguard
NeoBlock turns a single starting block into a full survival world, with tiered progression, configurable block generation and prebuilt worlds for Forge and NeoForge.
What it does
Players begin on one block and progress through tiers, with upgrade animations marking each step. The block generation can be changed in the config files, and a select NeoBlock preset provides a ready-made setup. Smart wandering traders and mobs summoned through the generation add further progression, while structures can be loaded automatically from schematics so that a world gains buildings without manual placement. The mod requires DataPacks to be enabled in the world.
NeoBlock is published for Forge and NeoForge across five release versions, 1.20.1 and 1.21.1 – 1.21.4, and runs on client and server, so the server and every player need it. The license is All rights reserved, so the code is not open source. Source code, an issue tracker and a wiki are publicly linked. The current file is 0.8.0-Beta for 1.21.4, released on 2026-01-05 on the beta channel. The mod was first published on 2025-03-17. It works alongside other mods, though the author notes describe the compatibility only in general terms.
Key features
Tiered progression
Each tier opens new stages of the single-block world and plays an upgrade animation when reached.
Configurable block generation
Block generation can be adjusted in the config files to change what appears during play.
Auto-loading schematics
Schematic structures load automatically into the world, so buildings appear without manual placement.
Prebuilt worlds
Ready-made worlds are available, including a NeoBlock preset that can be selected when creating a world.
Gallery
Compatibility
Latest build for each game version and loader.
Only full game releases are shown. This mod publishes no snapshot builds.
Use cases
Modpack foundations
Modpack builders can use the prebuilt worlds and presets as a starting point for a one-block pack.
Who it’s for: Players who want classic OneBlock gameplay with more options, and modpack builders who need a preconfigured one-block world.
Questions
Does NeoBlock require DataPacks?
Is NeoBlock needed on a server?
Which versions does NeoBlock support?
In the catalog
NeoBlock - The new OneBlock is one of 8,515 World generation mods on ModsFinder, and one of 5,058 World generation mods for Forge. 17,979 mods support Minecraft 1.21.4.
Similar mods
What the author says
NeoBlock is a modern, fully customizable take on the classic OneBlock gameplay. Build your world from a single block—no datapacks, no premade worlds, just pure Minecraft magic tailored to your modpack. NeoBlock is community-driven. We’d love your thoughts, issues, and ideas! Create an issue or contribute at: 👉…
Official listing
- Modrinth page
- modrinth.com/mod/neoblock
- Owner
- Ashenguard
- Published
- 2025-03-17
- Updated on Modrinth
- 2026-01-05
- Facts verified
- 2026-10-15