One Block Original
Fabric modpack for Minecraft 1.21.11 by Lactobacillus
One Block Original runs on Minecraft 1.21.11 with Fabric. It has 24 mods, needs about 4 GB of RAM (our estimate) and runs on both client and server. The latest version is 1.0.0, released Jan 10, 2026.
- Minecraft version
- 1.21.11
- Mod loader
- Fabric
- Mods
- 24
- RAM to allocate
- 4 GB (estimate)
- Runs on
- Client and server
- Latest version
- 1.0.0 ()
- Downloads
- 35K (#468)
- First released
- Pack file size
- 5 KB
- License
- CC0 1.0
What is One Block Original?
One Block Original is a Fabric modpack for Minecraft 1.21.11, published by Lactobacillus on Modrinth since 2026.
The latest release, 1.0.0 from Jan 10, 2026, declares 24 mods plus 7 other projects such as resource packs or shaders.
With 35K downloads it ranks #468 of the 518 most-downloaded Modrinth modpacks we track, and its authors tag it as adventure and optimization.
Most widely used mods in One Block Original
The latest version declares 31 projects, 24 of them mods. The ones below appear in the most packs we track.
- 11 run on client and server
- 13 client only
Cloth Config API
FerriteCore
Entity Culling
Sodium
Fabric API
ImmediatelyFast
Lithium
Iris Shaders
Fabric Language Kotlin
Sodium Extra
AppleSkin
Mouse Tweaks
Dynamic FPS
More Culling
Not Enough Animations
Simple Voice Chat
CreativeCore
Chat Heads
LambDynamicLights - Dynamic Lights
Clumps
AmbientSounds
Carry On
Capes
One Block
How its mod list compares
Less common picks: 1 mod found in five or fewer tracked packs.
Packs with the most mods in common
What kinds of mods are in One Block Original?
Of its 24 mods, 10 are tagged utility, 9 optimization and 5 decoration. Mods can carry several tags, so the counts overlap.
- utility: 10 (42%)
- optimization: 9 (38%)
- decoration: 5 (21%)
- library: 5 (21%)
- adventure: 4 (17%)
- storage: 3 (13%)
How big is One Block Original?
With 24 mods, One Block Original has fewer mods than 79% of the 491 packs we track and fewer mods than 74% of the 35 on Minecraft 1.21.11.
The pack file is 5 KB. 13 mods are client-only and 11 also run on a server. Alongside the mods it declares 7 shaders.
How actively is One Block Original updated?
One Block Original was first published on Jan 10, 2026, and has 1 published version in total.
The latest release, 1.0.0, is dated Jan 10, 2026, 305 days before our data was fetched on Nov 11, 2026. Releases have covered 1 Minecraft version.
Staple mods One Block Original includes and leaves out
Across the 325 Fabric packs we track, 15 mods turn up most often. One Block Original includes 10 of them; it leaves out Mod Menu, YetAnotherConfigLib (YACL), Reese's Sodium Options, Text Placeholder API and Architectury API.
How much RAM does One Block Original need?
One Block Original needs 4 GB allocated (2 GB minimum). Our estimate from the 24-mod list, not measured.
How to install One Block Original
Search for "One Block Original" in the Modrinth source of your launcher. Pick version 1.0.0 for Minecraft 1.21.11 (Fabric). Modpack install guide.
How do I make an One Block Original server?
One Block Original is marked as needing a server-side install, so the server must run the same mods and version as the players.
- Match the version: the latest pack version is 1.0.0 for Minecraft 1.21.11.
- Loader: Fabric.
- Memory: at least 2 GB (our estimate).
Versions
One build.
| Minecraft | Loader | Pack version | Released |
|---|---|---|---|
| 1.21.11 | Fabric | 1.0.0 |
Official links
- One Block Original on Modrinth (downloads and changelog)
Facts on this page come from Modrinth's public API, last fetched . Descriptive text is our own. Spotted an error, or are you the author and want something changed? See disclaimer and takedowns.