
SauroLab Hollow Earth Official Pack
Official Pack of the 100 Days in Hollow Earth YouTube series by SauroLab.
Screenshots

About this Modpack
This is a survival-focused modpack centered on the Alex's Caves mod. Supporting mods such as Create: New Age and Regions Unexplored flesh out the world and offer a balance between exploration and tech. Alex's Caves generation is edited to make cave biomes significantly more common, and nuclear bombs are even more destructive.
Available Versions
How to Set Up a SauroLab Hollow Earth Official Pack Server
Order Server
Choose at least 6 GB RAM (8 GB recommended for SauroLab Hollow Earth Official Pack). Based on player count: per 5 players.
Install Modpack in Dashboard
Open the modpack browser in the dashboard, search for "SauroLab Hollow Earth Official Pack" and click "Install". The forge loader and Minecraft 1.20.1 are configured automatically.
Start Server & Play
Start the server – all mods are loaded automatically. Share the server IP with friends and play together!
Frequently Asked Questions
SauroLab Hollow Earth Official Pack server crashes or won't start – what to do?
Most common causes: insufficient RAM or wrong forge 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 SauroLab Hollow Earth Official Pack 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 SauroLab Hollow Earth Official Pack without conflicts?
Yes, but check compatibility: only use mods for the same loader (forge) 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.
SauroLab Hollow Earth Official Pack 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.
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Supported Versions
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