Built for Absolute Performance

Over Optimized 9 isn't just another modpack... it's a bleeding-edge setup engineered to squeeze every last frame out of your hardware.

Powered by the latest modding tech, because "good enough" simply isn't an option here.

A QUICK HEADS-UP: THIS ISN'T PURE VANILLA

As this modpack uses many mods that alter vanilla behavior, some vanilla game mechanics might be different. Although these changes are not extensive, there are conditions where the pack cannot be utilized.

Built For You, By Someone Who Gets It.

I know just the URGE to get thet tiny tiny fps increase lol. Yeah if thats you, welcome!

Recommended Java Arguments

Optional yet Highly Recommended:

-XX:+UseG1GC -XX:+ParallelRefProcEnabled -XX:MaxGCPauseMillis=200 -XX:+UnlockExperimentalVMOptions -XX:+DisableExplicitGC -XX:G1NewSizePercent=30 -XX:G1MaxNewSizePercent=40 -XX:G1HeapRegionSize=8M -XX:G1ReservePercent=20 -XX:G1HeapWastePercent=5 -XX:G1MixedGCCountTarget=4 -XX:InitiatingHeapOccupancyPercent=15 -XX:G1MixedGCLiveThresholdPercent=90 -XX:G1RSetUpdatingPauseTimePercent=5 -XX:SurvivorRatio=32 -XX:+PerfDisableSharedMem -XX:MaxTenuringThreshold=1

Confused? Check out Java Arguments Guide for a deeper breakdown.