One Block ModPack
Fabric modpack for Minecraft 1.21.10 by Lactobacillus
One Block ModPack runs on Minecraft 1.21.10 with Fabric. It has 12 mods, needs about 4 GB of RAM (our estimate) and runs on both client and server. The latest version is 1.0.0, released Nov 30, 2025.
- Minecraft version
- 1.21.10
- Mod loader
- Fabric
- Mods
- 12
- RAM to allocate
- 4 GB (estimate)
- Runs on
- Client and server
- Latest version
- 1.0.0 ()
- Downloads
- 133K (#157)
- First released
- Pack file size
- 2 KB
- License
- CC0 1.0
What is One Block ModPack?
One Block ModPack is a Fabric modpack for Minecraft 1.21.10, published by Lactobacillus on Modrinth since 2025.
The latest release, 1.0.0 from Nov 30, 2025, declares 12 mods.
With 133K downloads it ranks #157 of the 518 most-downloaded Modrinth modpacks we track, and its authors tag it as adventure and lightweight.
Most widely used mods in One Block ModPack
The latest version declares 12 projects. The ones below appear in the most packs we track.
- 5 run on client and server
- 7 client only
Entity Culling
Sodium
Fabric API
ImmediatelyFast
Lithium
Mod Menu
Iris Shaders
Sodium Extra
Text Placeholder API
Dynamic FPS
Simple Voice Chat
One BlockHow 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 ModPack?
Of its 12 mods, 7 are tagged optimization, 4 utility and 2 adventure. Mods can carry several tags, so the counts overlap.
At 58% optimization, that is a larger share than 93% of the 491 packs we track.
- optimization: 7 (58%)
- utility: 4 (33%)
- adventure: 2 (17%)
- library: 2 (17%)
- cursed: 1 (8%)
- decoration: 1 (8%)
How big is One Block ModPack?
With 12 mods, One Block ModPack has fewer mods than 96% of the 491 packs we track.
The pack file is 2 KB. 7 mods are client-only and 5 also run on a server. It declares no resource packs or shaders.
How actively is One Block ModPack updated?
One Block ModPack was first published on Nov 30, 2025, and has 1 published version in total.
The latest release, 1.0.0, is dated Nov 30, 2025, 346 days before our data was fetched on Nov 11, 2026. Releases have covered 1 Minecraft version.
Staple mods One Block ModPack includes and leaves out
Across the 325 Fabric packs we track, 15 mods turn up most often. One Block ModPack includes 9 of them; it leaves out Cloth Config API, FerriteCore, Fabric Language Kotlin, YetAnotherConfigLib (YACL), Reese's Sodium Options and Architectury API.
How much RAM does One Block ModPack need?
One Block ModPack needs 4 GB allocated (3 GB minimum). Our estimate from the 12-mod list, not measured.
How to install One Block ModPack
Search for "One Block ModPack" in the Modrinth source of your launcher. Pick version 1.0.0 for Minecraft 1.21.10 (Fabric). Modpack install guide.
How do I make an One Block ModPack server?
One Block ModPack 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 1.21.10.
- Loader: Fabric.
- Memory: at least 3 GB (our estimate).
Versions
One build.
| Minecraft | Loader | Pack version | Released |
|---|---|---|---|
| 1.21.10 | Fabric | 1.0.0 |
Official links
- One Block ModPack 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.