Vivarium

Vivarium

We took Vanilla+ too far! Atmospheric, optimized and fabric-based Modpack.

by RTBGG
218 Downloads
0 Followers
fabricMC 1.20.1adventureoptimization

About this Modpack

Vivarium & my new Modpack Slightly Vanilla:

Vivarium was a fun, little experiment. And I appreciate if you still like it.

However I am currently working on a Modpack without vanilla-breaking features.

It offers nearly every available performance mod here on Modrinth, better Atmosphere, Graphics and QoL improvements! And in general is better thought-out. :)

Feel free to try it out: Slightly Vanilla

Vivarium Info

Vivarium Logo

We took Vanilla+ too far! Atmospheric, optimized and fabric-based Modpack.

Info

  • Vivarium features lots of optimization mods, but also some gampeplay-changing and quality-of-life mods.

Shader

Resource Packs

Modlist

All featured mods

Available Versions

Vivarium 1.2release
MC 1.20.1fabric91 downloads
June 5, 2024
Vivarium 1.1release
MC 1.20.1fabric71 downloads
April 28, 2024
Vivarium 1.0release
MC 1.20.1fabric56 downloads
April 23, 2024

How to Set Up a Vivarium Server

1

Order Server

Choose at least 6 GB RAM (8 GB recommended for Vivarium). Based on player count: per 5 players.

2

Install Modpack in Dashboard

Open the modpack browser in the dashboard, search for "Vivarium" and click "Install". The fabric loader and Minecraft 1.20.1 are configured automatically.

3

Start Server & Play

Start the server – all mods are loaded automatically. Share the server IP with friends and play together!

Frequently Asked Questions

Vivarium server crashes or won't start – what to do?

Most common causes: insufficient RAM or wrong fabric loader. Check latest.log for "OutOfMemoryError" → increase RAM to at least 8 GB. For "Mixin" or "ClassNotFoundException" errors: modpack version and loader don't match. With Mado Hosting, loader and Minecraft version are auto-configured on modpack install – preventing most startup issues.

How much RAM does a Vivarium server really need?

Minimum 6 GB, recommended 8 GB for stable performance. per 5 players. Important: Minecraft modpacks need more RAM than vanilla – plan extra per additional player. With Mado Hosting, you can scale RAM up live at any time without data loss (from €12/month).

Can I add custom mods to Vivarium without conflicts?

Yes, but check compatibility: only use mods for the same loader (fabric) and same Minecraft version (1.20.1). Common issues: ID conflicts with recipe mods and incompatible coremod versions. The Mado dashboard mod browser only shows compatible mods and warns about known conflicts.

Vivarium server lagging – performance tips

1) Increase RAM to 8 GB+. 2) Reduce server view-distance to 8 (server.properties). 3) Pre-generate chunks with the "Chunky" plugin. 4) Use /spark profiler to check which mods consume the most tick time. With Mado Hosting, all servers run on NVMe SSDs with dedicated CPU cores – eliminating hardware as a bottleneck.

Rent Vivarium Server

Start your own server with automatic modpack installation.

Recommended RAM:
8 GB(min. 6 GB)
From 12.00 / month
Create Server Now
1-Click Modpack Install
NVMe SSD Storage
DDoS Protection included
Automatic Backups

Details

License
LicenseRef-All-Rights-Reserved
Server-side
Unsupported
Client-side
Required

Supported Versions

1.20.1

Start your Vivarium Server now

From €12.00/month with 8 GB RAM for the best performance.

Configure Server →