Complete Fatekeeper memory leak fix: Stop High RAM Usage

Why Does Fatekeeper Cause High RAM Usage and Crashes?

Fatekeeper causes high RAM usage because its current Early Access build fails to dump cached memory after closing complex in-game menus. Specifically, the game’s massive skill tree UI allocates gigabytes of RAM that do not release when you return to gameplay. This progressive memory leak eventually maxes out system resources, resulting in a sudden crash to desktop.

The Skill Tree UI Memory Leak in Fatekeeper

According to community consensus on the Steam Forums, RAM spikes occur most frequently during hub transitions and when rendering the intricate skill nodes. When I played the day-one launch build, opening the skill tree immediately consumed an additional 2GB of memory that remained trapped even after closing the menu. Because Fatekeeper is an ambitious Action RPG, players frequently need to access this menu to upgrade their character, which compounds the memory allocation issue rapidly during extended play sessions.

Early Access Version Differences and Patches

As of June 3, 2026, this guide applies to the initial Early Access version (v0.1.x). The 13-person German studio, Paraglacial, has acknowledged these performance hurdles in their official Steam community posts. Until an official patch drops, players should consult technical resources like PCGamingWiki and rely on manual virtual memory adjustments to maintain stability.

How to Apply the Fatekeeper memory leak fix

To apply the Fatekeeper memory leak fix, you need to manually expand your system’s virtual memory allocation to handle the game’s excess data caching. Setting a custom pagefile size of at least 16GB provides a critical buffer that prevents the out of memory error when the game’s RAM usage spikes during long sessions.

Adjusting Windows Virtual Memory Allocation

To stabilize your system, press the Windows key and search for ‘Advanced system settings’. Under the Performance tab, click Settings, navigate to the Advanced tab, and click Change under Virtual memory. Uncheck the automatic management box, select your fastest SSD, choose Custom size, and set both the Initial and Maximum size to 16384 MB before restarting your PC. This ensures Windows has a dedicated, unfragmented block of storage to use when physical RAM is exhausted.

Using RAMMap for Fatekeeper Memory Opt

For a safer Fatekeeper Memory Opt solution, download Microsoft’s official RAMMap utility. Unlike generic optimization software, RAMMap allows you to safely clear the standby list mid-game without terminating essential Windows background processes, instantly freeing up trapped RAM. You simply need to alt-tab out of the game, open RAMMap, click the ‘Empty’ menu, and select ‘Empty Standby List’ to flush the cached memory.

Practical Test: 2-Hour Fatekeeper Play Session

In testing on a system with 16GB RAM, I monitored memory allocation using Task Manager and MSI Afterburner over a 2-hour session. Before the pagefile adjustment, the game experienced a crash to desktop at the 85-minute mark; after applying the 16GB custom pagefile and clearing the standby list once using RAMMap, the game remained perfectly stable for the entire duration.

How Do I Fix the Fatekeeper out of memory error?

You can fix the Fatekeeper out of memory error by verifying your game installation and strictly limiting background applications that consume hardware resources. Corrupted day-one download files can exacerbate memory allocation errors, so forcing Steam to re-download missing assets is the fastest way to ensure base stability before attempting more complex technical fixes.

Verifying Fatekeeper Game Files on Steam

Missing or corrupted assets from the initial Early Access download can trigger severe memory spikes when the engine attempts to load them. Right-click Fatekeeper in your Steam library, select Properties, navigate to Installed Files, and click ‘Verify integrity of game files’ to resolve these underlying corruption issues. The process usually takes a few minutes and will automatically replace any broken files.

Disabling Background Apps to Free Up RAM

To give the game the maximum available physical memory, you must close non-essential background applications. Web browsers like Chrome and communication tools like Discord utilize hardware acceleration that aggressively consumes RAM; disabling these features or closing the apps entirely will significantly reduce the frequency of out of memory crashes. If you must use Discord, navigate to its advanced settings and toggle off hardware acceleration.

Updating Graphics Drivers for Memory Management

Outdated graphics drivers can also contribute to memory leaks, particularly when the GPU fails to communicate efficiently with system RAM. Ensure you have the latest NVIDIA or AMD drivers installed, as these often contain game-ready optimizations that improve how VRAM and system memory are handled during intensive rendering tasks.

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Common Mistakes When Optimizing Fatekeeper high RAM usage

The biggest mistake players make when troubleshooting Fatekeeper high RAM usage is relying on automated optimization software that conflicts with the game’s engine. Generic game boosters forcefully terminate background Windows processes, which destabilizes your operating system and often causes more severe stuttering than the memory leak itself. It is always better to manage your system resources manually.

Using Generic Game Boosters Instead of RAMMap

I highly recommend using a clean standby list tool like RAMMap rather than third-party ‘boosters.’ Many of these commercial tools aggressively suspend services that the game engine relies on for asset streaming, leading to massive frame drops and audio desyncs during intense combat sequences. RAMMap, developed by Microsoft, interacts safely with the Windows memory manager.

Setting the Fatekeeper Pagefile Too Small

A persistent PC gaming myth suggests that disabling the pagefile entirely improves performance on high-end systems. Doing this while playing an unoptimized Early Access title will guarantee immediate desktop crashes; furthermore, setting the pagefile size too small will prevent the operating system from safely caching the massive skill tree UI data. Always allocate at least 16GB, even if you have 32GB of physical RAM installed.

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Final Verdict: Stabilizing Fatekeeper’s Early Access Performance

The final verdict for stabilizing Fatekeeper’s Early Access performance is that manual memory management is mandatory until Paraglacial releases a comprehensive optimization patch. By increasing your Windows pagefile to 16GB, verifying your Steam files, and utilizing RAMMap to clear standby memory, you can successfully bypass the skill tree memory leak. While the day-one build requires these extra steps, implementing these technical fixes ensures you can explore the dark fantasy world without the constant fear of sudden out of memory crashes ruining your progress.

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