AurelionPack Performance

27 performance mods • Zero gameplay changes • Drop-in ready

The performance layer powering AurelionPack – also available standalone.

🎮 FULL PACK 📋 CHANGELOG

What Is This?

AurelionPack Performance is a focused collection of performance and bug-fix mods with zero gameplay changes. It's the foundation bundled inside AurelionPack, but also works perfectly as a standalone performance layer for any other modpack or vanilla Lethal Company.

Every mod here does exactly one thing: make the game run better and crash less.

What's Included?

FPS & Rendering

• CullFactory – stops rendering geometry you can't see; biggest FPS win in interiors
• Lethal Performance – engine-level optimizations
• BepInEx Faster Load AssetBundles Patcher – faster startup and level loading
• Lethal Sponge – various performance improvements
• Lights Out – disables unnecessary lights in unvisited areas
• LCUltrawide – proper ultrawide support without stretching

AI & Pathfinding

• Smart Enemy Pathfinding – reduces pathfinding recalculations, smoother enemy movement
• Pathfinding Lag Fix – eliminates lag spikes caused by AI pathfinding
• Starlancer AI Fix – fixes AI issues from modded moons
• Lost Enemy Fix – stops enemies getting stuck and lagging the server

Networking & Loading

• Additional Networking – networking improvements for modded environments
• Async Loggers – moves logging off the main thread, eliminates log-induced frame spikes
• Less Logs – suppresses log spam that slows down the logger

Bug Fixes

• Error Fix – suppresses non-fatal engine errors that cause log spam and stutters
• LC Mic Recovery – recovers the microphone when it stops working mid-session
• Entrance Teleport Optimizations – fixes issues with entrances and fire exits
• Matty Fixes – broad collection of vanilla bug fixes
• Lethal Fixes – additional core game bug fixes
• Buttery Fixes – targeted fixes for common pain points
• Barber Fixes – fixes the Barber enemy's broken behaviors
• Enemy Sound Fixes – corrects audio bugs across multiple enemies
• Mask Fixes – fixes Masked enemy edge cases
• Masked Invis Fix – stops Masked enemies turning invisible
• Melee Fixes – fixes melee hit detection issues
• Spawn Cycle Fixes – corrects enemy spawn cycle calculations
• Spider Position Fix – fixes Bunker Spider positioning desyncs
• DunGen Reference Fixer – prevents dungeon generation errors with modded maps
• Destroy Item In Slot Fix – fixes item destruction causing inventory corruption

Installation

Standalone (any modpack or vanilla)

• Download Gale Mod Manager or r2modman
• Search for "AurelionPack_Performance"
• Click Install, then hit Update on any mods that require it
• Launch through the mod manager

As Part of AurelionPack

This pack is bundled automatically when you install AurelionPack.

Credits

Click on the image to open the modpack.

I am not associated with any of the mods listed above. All credit goes to the individual mod authors.

Mod icon was made with AI assistance.