CachyOS Apps

Install gamescope on CachyOS

SteamOS session compositing window manager.

From the official CachyOS repo. Install with pacman, no AUR helper needed.

Reviewed Nov 2, 2026 · independent guide · Read the gamescope guide

How do I install gamescope on CachyOS?

Run this in a terminal:

sudo pacman -S gamescope

gamescope is in the cachyos repo, the CachyOS project's own package repository, so pacman installs it directly with no AUR helper and no build script. The package is signed with the CachyOS repository key, and pacman checks the signature before it installs.

Which way should you pick?

WayCommandPackage
CachyOS repo (cachyos) Recommended
sudo pacman -S gamescope
gamescope (CachyOS cachyos)
Git build
SteamOS session compositing window manager.
sudo pacman -S gamescope-git
gamescope-git (CachyOS cachyos)
Other build
SteamOS session compositing window manager with added patches.
sudo pacman -S gamescope-plus
gamescope-plus (CachyOS cachyos)

All of these are in the official cachyos repo. Pick one; builds of the same app usually conflict with each other.

What should I do after installing gamescope?

  1. It installs these commands: gamescope, gamescope-type, gamescopectl, gamescopereaper and gamescopestream.
  2. Run pacman -Qi gamescope to see the installed version and the optional dependencies.

Full gamescope guide: first run, key settings, common fixes and uninstall

How do I update or remove gamescope?

Update:

sudo pacman -Syu

Remove:

sudo pacman -Rns gamescope

What is gamescope?

SteamOS session compositing window manager.

Package description: SteamOS session compositing window manager

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    From GitHub

    ValveSoftware/gamescope · ★ 5,202 stars · last commit Oct 31, 2026

    Real issues opened by users on the project's GitHub, shown as written with a link to each one. 10 most reacted issues opened in the last two years plus the 5 newest issues, bots, pull requests, non English and political posts skipped, capped at 15 per repo. Fetched Nov 1, 2026.

    1. `error 0: Windows scRGB is not supported` on GNOME, HyprlandClosed

      AS of gamescope is broken. Tested as standalone session and in Gnome 48. libdecor is installed and plugins are in system. Run anything with gamescope from current master gamescopecrash.log

      @Lawstorant · · 44 reactions · 59 comments · View on GitHub

    2. Support DeckSight OLED mod for LCD Steam DeckOpen

      DeckSight is shipping to people and it's supported integration into Gamescope would be beneficial. The repo hosting the releases the gamescope workaround stuff is here for reference: The main thing I would like to try to get supported is a global brightness adjustment as hardware…

      @ShadeTechnik · · 32 reactions · 0 comments · View on GitHub

    3. Keybind for `--force-grab-cursor`Open

      I sometimes need to use the command line argument --force-grab-cursor to work around particular game glitches. But I would also like to use my mouse to, e.g., reply to Discord messages. I'd like a keybind (e.g. Super+M) to toggle the effects of --force-grab-cursor on or off at…

      @NebuPookins · · 23 reactions · 11 comments · View on GitHub

    4. 🧩 Feature Request: Implement wl_subcompositor in the internal Wayland compositor to enable Wine Wayland driver supportClosed

      Gamescope's internal Wayland compositor (gamescope-0) does not implement the wlsubcompositor protocol. This makes it impossible to use Wine's native Wayland driver (winewayland.drv) together with gamescope, even when --expose-wayland is passed and PROTONUSEWAYLAND=1 is set. --- |…

      @p2ndemic · · 19 reactions · 0 comments · View on GitHub

    5. HDR not exposed on Plasma 6.7 / KWinClosed

      After updating to Plasma 6.7, gamescope --hdr-enabled no longer exposes HDR to clients (bExposeHDRSupport: false), while desktop HDR (e.g. browser video) works fine. HDR worked before the 6.7 The issue seems to be CWaylandBackend::SupportsColorManagement() returns false because…

      @2ramiro · · 17 reactions · 0 comments · View on GitHub

    6. [Error] xdg_backend: Compositor released us but we were not acquired. Oh no.Closed

      Logs are spammed with Launch anything with gamescope

      @ShapeShifter499 · · 17 reactions · 9 comments · View on GitHub

    7. Wrong color space on an external display when playing SDR games with the HDR toggle set to ONOpen

      Steam client version: 1748914100 SteamOS version: 3.7.8 Stable 20250522.2 Opted into Steam client beta?: No Opted into SteamOS beta?: No Have you checked for updates in Settings > System?: Yes Context: Steam Deck OLED connected to an external display, capable of HDR, via HDMI…

      @sew700 · · 14 reactions · 26 comments · View on GitHub

    8. Microstuttering and terrible frametime when using WSIOpen

      Microstuttering and horrible frametime when using WSI on Steam Deck LCD/OLED. We have tested and when disabling WSI ENABLEGAMESCOPEWSI=0, the frametime became smooth and the image became smooth without microstutters. On OLED, disabling WSI results in inaccessibility of HDR. Also…

      @Taskerer · · 11 reactions · 0 comments · View on GitHub

    9. Cursor exit from windows when force-grab-cursor if move to the right enoughClosed

      force-grab-cursor not working, if the mouse is moved enough to the right while in a map in CS2, the cursor exit the fullscreen window and appears at my second monitor 1. Launch CS2 with gamescope -f -W 2560 -H 1440 -w 1680 -h 1050 -S stretch -r 144 --force-grab-cursor --…

      @xiri25 · · 10 reactions · 31 comments · View on GitHub

    10. Request for new releaseClosed

      Currently master branch contains quite a lot of fixes comparing to 3.16.17 tag, mainly #1867 and #1826. It would be good to release 3.16.18, so users that don't use -git packages could benefit from them

      @MrMeshok · · 9 reactions · 0 comments · View on GitHub

    11. [Regression] 3.17.0: cursor offset with --force-grab-cursor; without it, camera snaps to the ground on right click (FFXIV via Proton, Wayland)Open

      After upgrading from 3.16.25-1 to 3.17.0-1, the mouse cursor in FFXIV is offset from where it is drawn on screen (clicks land away from the visible cursor). With --force-grab-cursor: cursor is offset from where it's drawn. Without --force-grab-cursor: the offset is gone, but the…

      @RickStorer · · 2 comments · View on GitHub

    12. Regressed frame pacing on DRMClosed

      After the awesome fixes from #2412, I moved on to testing the DRM backend. This may be related to that. Comparing 3.17.0 to 3.16.31 there seems to be a pretty large regression here on high refresh rate monitors. The target monitor refresh rate is never reached, and instead a…

      @PancakeTAS · · 6 comments · View on GitHub

    13. HDR detected by game but clipped to SDRClosed

      When I start a game on steam with gamescope and --hdr-enabled it launches and the game detects that HDR is available (ingame HDR settings appear) but the highlights are clipped to SDR (bright lights look flat). I took a screenshot with gamescope (super + s) and opened it with…

      @Delivator · · 3 comments · View on GitHub

    14. [Bug] Mouse sensitivity decreases after upgrading to 3.17.0Open

      After updating to the latest version, 3.17.0, I noticed that mouse movement became significantly slower in the games I play. This issue does not occur with previous versions, such as 3.16.31. It's worth noting that with version 3.16.31, passing the additional --force-grab-cursor…

      @PFiS1737 · · 0 comments · View on GitHub

    15. Colors appear severely undersaturated in SteamOS Gaming Mode on Samsung S99HOpen

      Colors appear undersaturated in SteamOS Gaming Mode (Gamescope) on a Samsung S99H TV when the TV's Color Space is set to Auto. Colors look correct with the same TV settings in SteamOS Desktop Mode and when connecting the TV to a Windows 11 PC. This issue does not occur on my LG…

      @NeoMechDragon · · 0 comments · View on GitHub

    gamescope on CachyOS: questions

    Is gamescope in the official CachyOS repo?

    Yes. The gamescope package is in the cachyos repo, version 3.17.0-1, built 2026-10-24. Install it with sudo pacman -S gamescope.

    Do I need an AUR helper for gamescope?

    No. It comes from the cachyos repo, so plain pacman installs and updates it, and sudo pacman -Syu keeps it current.

    What is the gamescope command?

    The package installs gamescope, gamescope-type, gamescopectl, gamescopereaper and gamescopestream.

    Which gamescope package should I pick?

    gamescope is listed first here. The cachyos repo also has gamescope-git and gamescope-plus. Install only one of them.