Source-checkedBuilding & decoration

One Block Hardcore

by Lactobacillus · for Minecraft

A hardcore One Block modpack is a challenging survival experience where players start on a single block that regenerates endlessly. With permadeath enabled, every mistake matters as you progress through phases, unlock new resources, and face increasingly.

7.8KDownloads
10 mo agoLast updated
CC0-1.0License
FabricLoaders

About One Block Hardcore

From Modrinth

A hardcore One Block modpack is a challenging survival experience where players start on a single block that regenerates endlessly. With permadeath enabled, every mistake matters as you progress through phases, unlock new resources, and face increasingly.

A hardcore One Block modpack is a challenging survival experience where players start on a single block that regenerates endlessly. With permadeath enabled, every mistake matters as you progress through phases, unlock new resources, and face increasingly dangerous mobs and bosses. Skill, strategy, and patience are essential to survive and thrive.

Highlights

From source data

Game versions

Built for Minecraft 1.21.11.

Loaders

Runs on Fabric.

Footprint

Rated a light load on a server.

One Block Hardcore on Nxeon

From our catalogue
One-click install
Supported on Nxeon Minecraft servers. We download it from Modrinth, place it, and restart the server.
Server side
Required on the server
Server type needed
Fabric
Server load
light
Smallest plan we suggest
Minecraft — 2 GB (2 GB RAM). This follows our own load rating above, not a benchmark.
Latest build
1.0.0, released 2026-01-03

Game versions by loader

LoaderGame versionsNewest
Fabric1.21.111.21.11

From 1 recorded build of One Block Hardcore.

Dependencies

  • Bundled: modrinth project YL57xq9U (modrinth, not in our catalogue)
  • Bundled: modrinth project ZCm5FNNU (modrinth, not in our catalogue)
  • Bundled: modrinth project zrzYrlm0 (modrinth, not in our catalogue)
  • Bundled: modrinth project Ha28R6CL (modrinth, not in our catalogue)
  • Bundled: modrinth project UzkWePRG (modrinth, not in our catalogue)
  • Bundled: modrinth project P7dR8mSH (modrinth, not in our catalogue)
  • Bundled: modrinth project eVHgznon (modrinth, not in our catalogue)
  • Bundled: modrinth project AANobbMI (modrinth, not in our catalogue)
  • Bundled: modrinth project 9s6osm5g (modrinth, not in our catalogue)
  • Bundled: modrinth project e0M1UDsY (modrinth, not in our catalogue)
  • Bundled: modrinth project reoR5B5Q (modrinth, not in our catalogue)
  • Bundled: modrinth project codAaoxh (modrinth, not in our catalogue)
  • Bundled: modrinth project HqKoXaXz (modrinth, not in our catalogue)
  • Bundled: modrinth project MBAkmtvl (modrinth, not in our catalogue)
  • Bundled: modrinth project owDBGfRd (modrinth, not in our catalogue)
  • Bundled: modrinth project gvQqBUqZ (modrinth, not in our catalogue)
  • Bundled: modrinth project HJR6V0I2 (modrinth, not in our catalogue)
  • Bundled: modrinth project c3Ja659P (modrinth, not in our catalogue)
  • Bundled: modrinth project tnWxsXNo (modrinth, not in our catalogue)
  • Bundled: modrinth project UGT9GTx9 (modrinth, not in our catalogue)
  • Bundled: modrinth project necbGNtT (modrinth, not in our catalogue)

Declared by the newest build that lists any. Required ones are installed with it on one-click installs.

Run One Block Hardcore on a Minecraft server

Pick a server or deploy a new one above; it is installed in one click.

What kind of mod it is

From the catalog
Listed on Modrinth as “Modpacks”

Building & decoration

Blocks, furniture, decorations and building tools.

Runs on your server

From source side support

Modrinth lists One Block Hardcore as required on the server. Check its Modrinth page to see whether players need it too.

Compatibility

Game
Minecraft
Loaders
Fabric
Runs on
Serverrequired on the server
Game versions
1.21.11

Verified at the source

  • ✓ModrinthOfficial listing, checked 2026-10-03Open ↗
  • ✓AuthorLactobacillus, as published on Modrinth
  • ✓LicenseCC0-1.0Free

One Block Hardcore, answered

Generated from the mod’s own source data.

Do my players need to install One Block Hardcore?

Modrinth lists One Block Hardcore as required on the server. Check its Modrinth page to see whether players need it too.

Which loaders does it support?

Fabric.

Is it free?

Yes. One Block Hardcore is free to download from Modrinth. Its license is CC0-1.0.

How do I add it to my Nxeon server?

Use “Add to a server” on this page, or open NxLabs from your dashboard. We install it, restart your server and switch it on.

NxLabs

Run One Block Hardcore on a Minecraft server.

Deploy in about a minute from $4.99 a month, then add One Block Hardcore in one click.