
Optermus
A modpack that focuses on playing the Create Mod and Mekanism together and is also a lot of fun with many other mods.
Screenshots



About this Modpack
General
What is Optermus ?
- Experience a world full of great mods such as the Create Mod or Mekanism.
Invite your friends and fight against the new Enderdragon or discover the new structures, caves or biomes.
Make new food or decorate your houses.
Tame new creatures and modify your equipment
Why should you play Optermus ?
- This modpack is full of adventure and technology which makes it a lot of fun to play, especially with friends.
Features
- 🗡️ Weapon Modifications -> Modify your sword and give them a new look.
- ⚙️ Create Extensions -> Discover many extensions that will make your Create Mod easier.
- 🖥️ EM System -> Store as many items as you want.
- 🐘 New Animals -> Discover new animals and tame them.
- 🗺️ Biomes and Structures -> Discover new biomes and explore new structures.
- 🦖 New Caves -> Discover new caves but watch out for creatures lurking there.
- ⚔️ A Special End Fight -> Can you defeat the end dragon?
- 🍔 Lots of new food -> Farmers Delight brings lots of new food into the game.
- 🪑 Many new decoration items -> With the decoration mods you can beautify your buildings.
- 🔊 Voice chat -> Inagmevoicechat where you can talk to your friends.
- 👥 Create a team -> [Comming soon]
Multiplayer
Optermus is designed for multiplayer. get your friends, play together or alone and start a new adventure.

Available Versions
How to Set Up a Optermus Server
Order Server
Choose at least 6 GB RAM (8 GB recommended for Optermus). Based on player count: per 5 players.
Install Modpack in Dashboard
Open the modpack browser in the dashboard, search for "Optermus" 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
Optermus 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 Optermus 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 Optermus 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.
Optermus 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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Rent Optermus Server
Start your own server with automatic modpack installation.
Supported Versions
Start your Optermus Server now
From €12.00/month with 8 GB RAM for the best performance.
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