
IFR25KU Official Standard Server ModPack 202509
Server-side Modpack for the standard play environment envisioned by the IFR25KU developer — September 2025 Edition.
About this Modpack
Concept
This Modpack provides the standard mod setup envisioned by the IFR25KU developer.
There are two editions of this Modpack:
The contents of this Modpack are identical to those on the official IFR25KU Server, which also serves as a testbed for IFR25KU.
This Modpack lets you reproduce that setup.
Included Mods
Below is a summary of included mods.
For the complete list of mods, see the dependencies on each version’s page in the Versions tab.
Main Mods
These are the principal mods that define this Modpack, listed in order of thematic importance.
- IFR25KU: The Institute of Fairy Research 2025 Kakera Unofficial - Representation of the MirageFairy worldview
- MirageFairy unfolds in a science-fiction world governed by fantastical physical laws.
- The MirageFairy2024 storyline is set on a planet where plants have gone feral after being modified by an ancient civilization known as The Institute of Fairy Research.
- Original crops and crossbreeding to create improved cultivars.
- Equip fairies obtained from items such as Mirage Flour to gain various passive effects.
- Tools crafted from various mod-specific materials.
- Magitech -Arcane Engineering- - Fusion of technology and magic
- Magitech constructs magical theory through science and treats mana like electricity, blending the romanticism of the Industrial Revolution with the mystique of arcane arts.
- Tools crafted through parts synthesis.
- Magic-based combat.
- Alchemy-driven crafting.
- Mekanism
- Create
- Ars Nouveau
- Farmer's Delight
- Refined Storage
- Applied Energistics 2
The overall theme of this Modpack is technology and magic, with agriculture and logistics as subthemes.
Some mods provide adventure elements such as biomes and dungeons, along with ways to upgrade equipment and player abilities.
Gameplay Enhancement Mods
These mods are included to improve the gameplay experience.
Several other mods also add or tweak minor features.
Integration and Dependency Mods
Also included:
- Add-on-like mods for the above mods
- Integration mods between the above mods
- Dependencies required by the above mods
Official Discord
For support and info on the official IFR25KU Server, join the Discord linked on this page (primarily in Japanese).
Available Versions
How to Set Up a IFR25KU Official Standard Server ModPack 202509 Server
Order Server
Choose at least 6 GB RAM (10 GB recommended for IFR25KU Official Standard Server ModPack 202509). Based on player count: per 4 players.
Install Modpack in Dashboard
Open the modpack browser in the dashboard, search for "IFR25KU Official Standard Server ModPack 202509" and click "Install". The neoforge loader and Minecraft 1.21.1 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
IFR25KU Official Standard Server ModPack 202509 server crashes or won't start – what to do?
Most common causes: insufficient RAM or wrong neoforge loader. Check latest.log for "OutOfMemoryError" → increase RAM to at least 10 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 IFR25KU Official Standard Server ModPack 202509 server really need?
Minimum 6 GB, recommended 10 GB for stable performance. per 4 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 IFR25KU Official Standard Server ModPack 202509 without conflicts?
Yes, but check compatibility: only use mods for the same loader (neoforge) and same Minecraft version (1.21.1). 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.
IFR25KU Official Standard Server ModPack 202509 server lagging – performance tips
1) Increase RAM to 10 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.
Similar Modpacks
Rent IFR25KU Official Standard Server ModPack 202509 Server
Start your own server with automatic modpack installation.
Details
- License
- Creative Commons Zero v1.0 Universal
- Server-side
- Required
- Client-side
- Required
Supported Versions
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