
Horrendously optimized
The absolute limit of Minecraft performance. 1.21.11 optimization and custom aesthetics.
Screenshots


About this Modpack
Horrendously optimized
The absolute limit of Minecraft performance. 1.21.11 optimization and custom aesthetics.
Horrendously optimized is a specialized Minecraft 1.21.11 modpack designed for players who demand the highest possible frame rates without sacrificing a modern, polished look. Born from a desire to squeeze every last drop of performance out of the Fabric engine, this pack combines cutting-edge rendering optimizations with a clean, aesthetically pleasing interface.
Key Features
Extreme Performance
We've included the gold standard of optimization mods, meticulously configured to work in harmony:
- Sodium & Iris: The foundation of modern rendering. Insane FPS and shader support.
- Lithium & C2ME: Comprehensive game engine and world-gen optimizations.
- ImmediatelyFast: Drastically improves UI and entity rendering speed.
- FerriteCore & ModernFix: Significant RAM usage reduction.
- BadOptimizations: Fixes many small bottlenecks in the base game.
Custom Aesthetics
Optimization doesn't have to look boring.
- Custom Main Menu: A sleek, minimal menu powered by FancyMenu.
- Discord Rich Presence: Show off your status with Simple Discord RPC.
- Clean View: Removes annoying potion particles from your screen.
Connectivity & Utility
- ViaFabricPlus: Connect to server versions from Alpha to the latest Snapshot.
- Voice Chat: Includes Simple Voice Chat for seamless in-game communication.
- Exploit Preventer: Hardens your client against common server-side exploits.
- Not Enough Crashes: Prevent the game from closing when a mod fails—just return to the menu and keep playing.
Performance Expectations
While results vary by hardware, most players can expect:
- 300% - 500% FPS increase compared to vanilla Minecraft.
- Significantly faster world loading and chunk generation.
- Lower memory footprint, making it ideal for low-end laptops and high-end rigs alike.
- Stable 1% lows, reducing stuttering during intense gameplay.
Installation
- Download on the modrinth Launcher.
- Search: Look for "Horrendously optimized" in the browse section.
- Install: Click install and wait for the files to download.
- Play: Launch the game and enjoy the speed!
Mod List
This pack includes a curated list of over 50 mods, including:
- Sodium, Iris, Lithium, FerriteCore, Starlight (via ScalableLux), ModernFix, ImmediatelyFast, Konkrete, Melody, ViaFabricPlus, Simple Discord RPC, and many more.
Found a bug or have a suggestion? Open an ticket on our Discord!
Available Versions
How to Set Up a Horrendously optimized Server
Order Server
Choose at least 4 GB RAM (6 GB recommended for Horrendously optimized). Based on player count: per 8 players.
Install Modpack in Dashboard
Open the modpack browser in the dashboard, search for "Horrendously optimized" and click "Install". The fabric loader and Minecraft 1.21.11 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
Horrendously optimized 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 6 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 Horrendously optimized server really need?
Minimum 4 GB, recommended 6 GB for stable performance. per 8 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 €8/month).
Can I add custom mods to Horrendously optimized without conflicts?
Yes, but check compatibility: only use mods for the same loader (fabric) and same Minecraft version (1.21.11). 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.
Horrendously optimized server lagging – performance tips
1) Increase RAM to 6 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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