GLF OS 25.11

GLF OS 25.11
GLF OS 25.11

What GLF OS Phoenix Pulsar brings to players
Installation essentials and system requirements
Practical considerations and first impressions

GLF OS 25.11 (Phoenix Pulsar) is a gamer‑focused NixOS derivative that ships with Kernel 6.18 LTS, integrated NVIDIA 590.48 drivers, and a suite of preconfigured gaming and streaming tools — ideal for modern x86_64 gaming rigs with at least 8 GB RAM and an SSD. 

What GLF OS Phoenix Pulsar brings to players

GLF OS is presented as a robust, gamer‑oriented distribution built on NixOS, designed to isolate software from the system and allow one‑click rollbacks for stability. The Phoenix Pulsar release upgrades the base Linux kernel to 6.18 LTS for improved stability and Wayland behaviour, and bundles the NVIDIA 590.48 driver to support recent GPUs and features such as ray tracing and DLSS.

GLF-OS Settings > About > System Details

GLF-OS - Fastfetch
The distribution focuses on out‑of‑the‑box playability: Steam, Heroic and Lutris are included, alongside a new default launcher (Faugus) and tools like GOverlay and Mangohud for performance monitoring. OBS Studio is preconfigured for streaming, and creative apps are available in the Studio flavour. 
GLF-OS - Steam (Login) | Heroic Games Launcher (Login)

GLF-OS - Lutris

GLF-OS - Faugus Launcher

GLF-OS - GOverlay

GLF-OS - OBS Studio

Installation essentials and system requirements

GLF OS targets x86_64 PCs and lists minimum memory at 8 GB (16 GB recommended for Studio) and 60 GB of disk space, with an SSD advised for best results. 

The project emphasises automatic updates: the system applies updates in the background during the first five minutes after boot, reducing manual maintenance. 

GLF-OS - Output of 'glf-update' (manual update)

To install, users are guided to download the ISO and prepare a bootable medium following the project’s media‑preparation instructions; the wiki provides step‑by‑step notes for creating installation media and proceeding with the installer.

Live System Boot Menu (AZERTY keyboard as Default)

Welcome to the GLF-OS Installer

GLF-OS Installer - Environment (Gnome/Plasma)

GLF-OS Installer - Edition (Standard/Mini/Streamers/Studio/Studio | DaVinci Resolve Pro

GLF-OS Installer - Installing GLF-OS at 46%

GLF-OS Installer - All Done

Installed System Boot Menu

GLF-OS Welcome Menu

GLF-OS Default Applications (1)

GLF-OS Default Applications (2)

GLF-OS Default Applications (3)

GLF-OS System Extensions

GLF-OS - Input Remapper

GLF-OS - System Monitor | Btop

GLF-OS - Easy flatpak
GLF OS also supplies tools to simplify hardware configuration — for example, utilities to mount disks, manage Samba shares and handle firewall settings — which aim to make the system approachable for newcomers.
GLF-OS - Nix-disk| Nix Samba

GLF-OS - Nix Firewall Manager

Practical considerations and first impressions

Expect a GNOME (or vanilla KDE) desktop with curated add‑ons, rounded window corners and a friendly UX that balances accessibility with gamer‑centric tweaks. The distribution’s Nix‑based architecture means package isolation and reliable rollbacks, but it also implies a learning curve if you plan deep customisation; the wiki and community resources are the recommended first stop.  

GLF-OS - Boot Menu (Rollbacks)
GLF-OS - Documentation (Firefox)

GLF-OS - Discord (Firefox)

GLF-OS - Power Off

Conclusion
Phoenix Pulsar positions GLF OS as a polished, community‑driven gaming OS that prioritises modern GPU support, streaming readiness and system resilience. For gamers with compatible hardware, it offers a compelling, low‑friction route to playing and streaming on Linux.  

Disclaimer
GLF OS, NixOS, Steam, Heroic, NVIDIA and other trade names are the trademarks of their respective owners. We strive for accuracy using official project sources; please use open‑source software responsibly and in accordance with licences and local law.

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