Nyrna suspends and resumes PC games through a workflow described as similar to console suspend mode.
Nyrna
Nyrna suspends games and applications, including their resource usage, as described by its project page.
About Nyrna
Nyrna suspends running games and applications and resumes them later, freeing CPU and GPU resources while suspended while still using RAM. It can be used for cutscenes, games without a normal pause option, titles that stay active on pause screens, and long tasks such as 3D renders, video encoding, and software compilation. It works on Linux with X11 and on Windows. Suspending modifies running processes and can rarely cause a crash, so users are advised to save first, and it cannot save state to disk for restore after a reboot.
Key features
- Suspend running games and resume them later
- Suspend non-game apps like renders and encodes
- Free CPU and GPU resources while process is suspended
- Pause cutscenes or games without normal pause option
- Suspend between checkpoints or save points
- Works on Linux with X11 and Windows
Best for: Gamers and Linux with X11 and Windows users who need to temporarily pause games or long-running tasks.
Good for
- Covers both games and standard applications
- Frees CPU and GPU use while keeping the process in place
- Open-source code under GPL-3.0 license
Watch out for
- Suspended items continue to use RAM; restore after reboot is not supported
- Suspending a running process carries a rare risk of crashing it
- Linux use requires X11
Nyrna at a glance
- Website
- github.com/Merrit/nyrna
- Category
- Software & Utilities › System Utilities
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Platforms
- Linux, Windows
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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Nyrna FAQ
Can Nyrna suspend to disk to free RAM or restore after a reboot?
No. The project notes CRIU as promising on Linux, but it does not currently support suspending GUI applications.
What can I try if Nyrna has issues on Windows?
Run Nyrna as an administrator, which often resolves issues.
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