One block horrorModpacks · 1.19It's regular one block survival, but with many dwellers to give you a chilling experience (optimized)

Zillemattically Optimized tries its best to give you the highest performing lightweight gameplay experience.
Direct download from Modrinth · 6 downloads
Zillemattically Optimized is a modpack made by 1232112321. Zillemattically Optimized tries its best to give you the highest performing lightweight gameplay experience.
It supports Minecraft 1.21. It has been downloaded 6 times on Modrinth. The last update came out on Sep 29, 2026.
The newest is 1.0.0, released on Sep 29, 2026. It is made for Minecraft 1.21.11. It runs on Fabric. The download is 5 KB.
| Version | Released | Minecraft | Type |
|---|---|---|---|
1.0.0 | Sep 29, 2026 | 1.21.11 | Release |
Zillemattically Optimized is a Minecraft modpack that is built to give you the highest performing gameplay experience. If you want a lightweight modpack to improve your games performace, then this modpack is perfect for you.
Written by 1232112321. Read it with pictures on Modrinth.
This modpack runs on Fabric for Minecraft 1.21. The launcher you install it with sets that up for you.
Download the .mrpack file from Modrinth.
Open it with a launcher that reads .mrpack files, such as the Modrinth App or Prism Launcher: it makes a new instance with every mod and setting of the pack.
Give the instance enough memory: most modpacks want 4 to 8 GB.
To play it with friends on a server, use the server files of the modpack if its page offers them; otherwise install the same mods on the server.
Full guide: How to install Minecraft mods
| Resource | Downloads | Versions | Last update | Price |
|---|---|---|---|---|
| 6 | 1.21 | Sep 29, 2026 | Free | |
| 522K | 1.19 | Oct 9, 2026 | Free | |
| 515K | 1.16 – 26.x | 14 days ago | Free | |
| 401K | 1.21 | 20 hours ago | Free |
Not yet. The newest version it supports is Minecraft 1.21.
Yes. Zillemattically Optimized is free to download from Modrinth.
Yes. The last update came out in the past day.
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