Simply Optimized Modpack (1.21.5, 1.20.1) – Lightweight Performance Boost for Minecraft

Simply Optimized Modpack (1.21.5, 1.20.1) is a carefully curated performance-focused modpack built for players who want the smoothest Minecraft experience without unnecessary extras. Designed with minimalism, modularity, and maintainability in mind, this pack includes only the most essential optimization mods—leaving visual and quality-of-life enhancements up to the user. It’s a reliable foundation for building your custom modpack or running lightweight Minecraft with the best tweaks available.

Whether you’re aiming for maximum FPS, reduced memory usage, or better chunk loading, Simply Optimized delivers streamlined performance out of the box.

🔧 Core Features & Mods Included:

✅ Rendering and Visual Optimization:

• Sodium – A modern OpenGL-based rendering engine overhaul for massive FPS gains

• Indium – Enables compatibility for block entity rendering with Sodium

• ImmediatelyFast – Optimizes immediate-mode rendering systems for improved visuals without cost

• More Culling – Hides unnecessary faces and elements, reducing rendering load

• Entity Culling – Path-traces entities and hides those behind walls to reduce overhead

• Enhanced Block Entities – Efficiently reimplements tile entities to reduce performance strain

⚙️ Memory, Multithreading, and System Efficiency:

• Lithium – Server-side optimizations across many core systems

• FerriteCore – Significantly lowers memory usage, especially for large modpacks

• ModernFix – Reduces memory leaks, load times, and other JVM-level inefficiencies

• ThreadTweak – Fine-tune thread priorities for smoother task execution

• C2ME – Enables multithreaded chunk loading, saving, and generation

• Very Many Players – Lightweight server-side tweaks focused on scalability

🗺️ Worldgen and Miscellaneous Tweaks:

• Noisium – Improves world generation speed with low-impact adjustments

• BadOptimizations – Adds subtle but valuable optimization improvements to various systems

🧰 Support and Utility Mods:

• Fabric API – Required by nearly all Fabric-based mods

• Cloth Config API – Needed for configuration UIs, such as with More Culling

• No Chat Reports – Not performance-related, but critical for user privacy and server protection

Simply Optimized Modpack (1.21.5, 1.20.1) is ideal for players who want full control over their Minecraft experience—starting from a lean, high-performance base. Add your own visuals, shaders, and content mods on top of this framework, or enjoy it as-is for a lightweight, vanilla-plus experience optimized for speed and stability.

Screenshots:

Requires:

Fabric Loader

Fabric API

Iris Shaders

How to install:

Please visit the following link for full instructions: How To Download & Install Modpack