LudumVeritas v1.1.0 — up to 43% less RAM on Fabric 1.21.11. Download

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LudumVeritas

Maximum performance. Zero configuration.

Step into a world where every frame matters. LudumVeritas is the optimization mod for Minecraft Fabric 1.21.11 — less RAM, faster chunks, and compatible with Sodium and Optifine for a fluid, focused experience.

Target version / Fabric
1.21.11
MIT License Fabric 1.21.11
Forest biome Mountain biome Cherry blossom Ocean biome

Forest Biome

Optimized lighting with smooth 90+ FPS

Compatible with popular mods

What awaits you

Face lag head-on

Every feature is built to keep the game smooth: no risky shortcuts—real memory, tick, and chunk optimization in a modern landing style, with total focus on performance.

Intelligent Memory Management

Advanced garbage collection optimization and memory pooling reduces RAM usage by up to 43%, keeping your game running smoothly even with large modpacks.

43% RAM Reduction

Tick Rate Optimization

Smart tick scheduling prioritizes visible entities and nearby chunks, dramatically improving server tick performance and reducing lag spikes during gameplay.

Smoother Gameplay

Chunk Loading Acceleration

Parallel chunk processing and intelligent caching delivers 32% faster chunk loading times, eliminating the frustrating wait when exploring new terrain.

32% Faster Loading

Zero Configuration

Works perfectly out of the box with sensible defaults optimized for most systems. Simply drop the JAR file into your mods folder and enjoy instant performance gains.

Plug & Play

Client-Side Only

LudumVeritas operates entirely on the client side, meaning you can use it on any multiplayer server without requiring server installation or permission.

Multiplayer Safe

Full Mod Compatibility

Designed to work seamlessly with Sodium, Optifine, and thousands of other popular mods. Our optimization layer operates independently without conflicts.

Fully Compatible
Real numbers

Performance gains in practice

Independent benchmarks conducted on various hardware configurations demonstrate consistent and significant performance improvements across all tested scenarios.

0%
RAM Reduction
0%
Faster Chunks
0%
FPS Increase
Zero
Config Required

Tested on RTX 3070, 32GB RAM, Ryzen 7 5800X | Fabric 1.21.11 + Sodium 0.5.8 | Results may vary based on hardware and mod configuration

The experience

Minecraft meets pure performance

LudumVeritas is not just another mod—it is an optimization layer for players who want fewer freezes and more playtime. Inspired by professional modpack landings (devourmc.com), with a focus on clarity and download conversion.

  • Lower RAM usage and more stable ticks
  • Compatible with Sodium, Optifine, and the Fabric ecosystem
  • Updates and documentation on GitHub
  • Multiplayer use client-only—no server install required
Community on GitHub
Get started

Download the mod

Devour MC style: central card with version, requirements, and one main button—no fuss.

LUDUMVERITAS-1.1.0 .JAR

Version 1.1.0 — Minecraft Fabric 1.21.11

Download the file and place it in .minecraft/mods. MIT License — no account required for direct download.

MIT License Fabric 1.21.11 Client-only
Download JAR file
Multiplayer online

Minecraft server

Play with the same Devour MC experience in a shared world. In Java Edition, open Multiplayer and use Direct Connect or Add Server, then paste the address in the field.

Minecraft version 1.21.11
Loader Fabric
Default port 25565

Server address — copy and paste

play.seu-servidor.com
  • Install the Devour MC modpack on the same version as the server to avoid mismatches.
  • If you cannot connect, check firewall, VPN, and that the address was pasted without extra spaces.
  • Rules and support are often on the community Discord—watch for maintenance announcements.

Frequently Asked Questions

Find answers to common questions about LudumVeritas installation, compatibility, and usage.

Yes, LudumVeritas is currently designed and optimized exclusively for Minecraft Fabric 1.21.11. This focused approach allows us to deliver maximum performance and stability. Support for other Minecraft versions and mod loaders (such as Forge) may be added in future releases.

Absolutely! LudumVeritas is designed with compatibility in mind and works seamlessly alongside Sodium, Optifine, and most other popular performance mods. Our optimization operates at a different layer (memory management and tick scheduling), making it complementary rather than conflicting with rendering-focused mods.

Installation is straightforward: 1) Install Fabric Loader for Minecraft 1.21.11. 2) Download the LudumVeritas JAR from the download section above. 3) Place the JAR in your .minecraft/mods folder. 4) Launch the game with your Fabric profile. The mod works immediately with no extra configuration.

Most users experience up to 43% reduction in RAM usage, approximately 15% increase in FPS, and 32% faster chunk loading times. Performance gains vary based on your hardware configuration, world complexity, and other installed mods. Lower-end systems typically see the most dramatic improvements, while high-end systems benefit from smoother frame times and reduced stuttering.

Yes! LudumVeritas is a purely client-side mod that only optimizes your local game performance. It doesn't modify any server communication or gameplay mechanics, making it safe to use on any server that allows client mods. No server-side installation is required, and server administrators won't even know you're using it.

Privacy is a core principle for us. LudumVeritas collects absolutely no data by default. There's an optional anonymous usage statistics feature that can be enabled to help us improve the mod, but it's completely opt-in and disabled by default. Your gaming experience remains entirely private.

You're absolutely welcome to include LudumVeritas in any modpack, whether public or private, free or paid. Under our MIT License, we only ask that you include a link back to our official page and keep the license file intact. No prior permission is needed - just add it and go!

We welcome community feedback! Bug reports and feature requests can be submitted through our GitHub Issues page. When reporting bugs, please include your system specifications, Minecraft version, and list of other installed mods for faster resolution.

Authors & Credits

LudumVeritas is built and maintained by passionate modders dedicated to improving the Minecraft experience for everyone.

Lucas Ferreira

Lucas Ferreira

Lead Developer

@lferreira
Rafael Costa

Rafael Costa

Core Maintainer

@rcosta
Ana Ribeiro

Ana Ribeiro

QA Lead

@aribeiro