Roaring 20s Simulator

Name: Roaring 20s Simulator
Price: 12 EUR
Author: judepindzola

Experience the advancement of the Roaring 20s, from spaceships to netherrite farms.

by judepindzola

52 Downloads

0 Followers

forgeMC 1.20.1adventuretechnology

Rent Roaring 20s Simulator Server

Screenshots

Norbert and Victor sharing a charming moment.

About this Modpack

This modpack contains very fun and interesting mods. Dive deep into Alex's caves and see all of his mobs AND etcetera, or dive upwards to Mars or the Moon with Ad Astra. If you're a little geek, build a diamond farm with the Create mod. Experience this and more just as those who lived it in the early 20th century, including Louis Armstrong and Albert Einstein. The possibilities are endless... or are they?

Yes, they are.

Available Versions

Roaring 20s Simulator 1.0.0release

MC 1.20.1forge50 downloads

December 22, 2025

How to Set Up a Roaring 20s Simulator Server

Order Server

Choose at least 6 GB RAM (8 GB recommended for Roaring 20s Simulator). Based on player count: per 5 players.

Install Modpack in Dashboard

Open the modpack browser in the dashboard, search for "Roaring 20s Simulator" 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

Roaring 20s Simulator 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 Roaring 20s Simulator 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 Roaring 20s Simulator 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.

Roaring 20s Simulator 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.