(18:15:31) [INFO]:    Launching "cuphead" (sideload)

(18:15:31) [INFO]:    Native? false

(18:15:31) [INFO]:    Installed in: /run/user/1000/doc/8a50d376 

(18:15:31) [INFO]:    System Info: 

CPU: 4x Intel(R) Core(TM) i3-7100U CPU @ 2.40GHz

Memory: 16.61 GB (used: 7.57 GB)

GPUs:

  GPU 0:

    Name: Intel Corporation HD Graphics 620

    IDs: D=5916 V=8086 SD=837b SV=103c

    Driver: i915

OS: Fedora Linux 42 (Workstation Edition) (linux)

The current system is not a Steam Deck

We are running inside a Flatpak container

Software Versions:

  Heroic: 2.18.1 "Waterfall Beard" Jorul

  Legendary: 0.20.37 Exit 17 (Heroic)

  gogdl: 1.1.2

  comet: comet 0.2.0

  Nile: 1.1.2 Will A. Zeppeli

(18:15:31) [INFO]:    Game Settings: {

  "autoInstallDxvkNvapi": true,

  "preferSystemLibs": false,

  "enableEsync": true,

  "enableFsync": true,

  "enableWineWayland": false,

  "enableHDR": false,

  "enableWoW64": false,

  "nvidiaPrime": false,

  "enviromentOptions": [],

  "wrapperOptions": [],

  "showFps": false,

  "useGameMode": true,

  "battlEyeRuntime": true,

  "eacRuntime": true,

  "language": "",

  "beforeLaunchScriptPath": "",

  "afterLaunchScriptPath": "",

  "verboseLogs": true,

  "wineVersion": {

    "bin": "/home/dungnguyen/.var/app/com.heroicgameslauncher.hgl/config/heroic/tools/proton/GE-Proton10-26/proton",

    "name": "Proton - GE-Proton10-26",

    "type": "proton"

  },

  "winePrefix": "/home/dungnguyen/Games/Heroic/Prefixes/default/cuphead"

} 

(18:15:31) [INFO]:    Winetricks packages: 

Wine Command: /app/bin/gamemoderun /home/dungnguyen/.var/app/com.heroicgameslauncher.hgl/config/heroic/tools/runtimes/umu/umu_run.py /run/user/1000/doc/8a50d376/Cuphead.exe

Game Log:

gamemodeauto: 

gamemodeauto: 

INFO: umu-launcher version 1.3.0 (3.13.11 (main, Nov 10 2011, 15:00:00) [GCC 15.2.0])

gamemodeauto: dlopen failed - libgamemode.so: cannot open shared object file: No such file or directory

gamemodeauto: dlopen failed - libgamemode.so: cannot open shared object file: No such file or directory

gamemodeauto: dlopen failed - libgamemode.so: cannot open shared object file: No such file or directory

ProtonFixes[9838] INFO: Running protonfixes on "GE-Proton10-26", build at 2025-12-07 22:33:15+00:00.

ProtonFixes[9838] INFO: Running checks

ProtonFixes[9838] INFO: All checks successful

ProtonFixes[9838] WARN: Game title not found in CSV

ProtonFixes[9838] INFO: Non-steam game UNKNOWN (umu-0)

ProtonFixes[9838] INFO: No store specified, using UMU database

ProtonFixes[9838] INFO: Using global defaults for UNKNOWN (umu-0)

ProtonFixes[9838] INFO: Non-steam game UNKNOWN (umu-0)

ProtonFixes[9838] INFO: No store specified, using UMU database

ProtonFixes[9838] INFO: No global protonfix found for UNKNOWN (umu-0)

gamemodeauto: dlopen failed - libgamemode.so: cannot open shared object file: No such file or directory

gamemodeauto: dlopen failed - libgamemode.so: cannot open shared object file: No such file or directory

Proton: /run/flatpak/doc/8a50d376/Cuphead.exe

Proton: Executable a unix path, launching with /unix option.

gamemodeauto: dlopen failed - libgamemode.so: cannot open shared object file: No such file or directory

gamemodeauto: dlopen failed - libgamemode.so: cannot open shared object file: No such file or directory

gamemodeauto: dlopen failed - libgamemode.so: cannot open shared object file: No such file or directory

gamemodeauto: dlopen failed - libgamemode.so: cannot open shared object file: No such file or directory

fsync: up and running.

gamemodeauto: dlopen failed - libgamemode.so: cannot open shared object file: No such file or directory

002c:fixme:winediag:loader_init wine-staging 10.0 is a testing version containing experimental patches.

002c:fixme:winediag:loader_init Please mention your exact version when filing bug reports on winehq.org.

gamemodeauto: dlopen failed - libgamemode.so: cannot open shared object file: No such file or directory

gamemodeauto: dlopen failed - libgamemode.so: cannot open shared object file: No such file or directory

0040:fixme:ntoskrnl:driver_stub 0000000000249CB0 L"\\Registry\\Machine\\System\\CurrentControlSet\\Services\\pci" stub!

0040:fixme:ntoskrnl:driver_stub 0000000000249F00 L"\\Registry\\Machine\\System\\CurrentControlSet\\Services\\hidusb" stub!

0040:fixme:ntoskrnl:driver_stub 000000000024ACD0 L"\\Registry\\Machine\\System\\CurrentControlSet\\Services\\Disk" stub!

0050:fixme:ntoskrnl:kernel_object_from_handle No constructor for type L"Token"

gamemodeauto: dlopen failed - libgamemode.so: cannot open shared object file: No such file or directory

gamemodeauto: dlopen failed - libgamemode.so: cannot open shared object file: No such file or directory

gamemodeauto: dlopen failed - libgamemode.so: cannot open shared object file: No such file or directory

0098:fixme:ntoskrnl:driver_stub 0000000000249CB0 L"\\Registry\\Machine\\System\\CurrentControlSet\\Services\\pci" stub!

0098:fixme:ntoskrnl:driver_stub 0000000000249F00 L"\\Registry\\Machine\\System\\CurrentControlSet\\Services\\hidusb" stub!

0098:fixme:ntoskrnl:driver_stub 000000000024ACD0 L"\\Registry\\Machine\\System\\CurrentControlSet\\Services\\Disk" stub!

00a4:fixme:ntoskrnl:kernel_object_from_handle No constructor for type L"Token"

gamemodeauto: dlopen failed - libgamemode.so: cannot open shared object file: No such file or directory

gamemodeauto: dlopen failed - libgamemode.so: cannot open shared object file: No such file or directory

gamemodeauto: dlopen failed - libgamemode.so: cannot open shared object file: No such file or directory

00d0:err:module:import_dll Library UnityPlayer.dll (which is needed by L"S:\\8a50d376\\Cuphead.exe") not found

00d0:err:module:loader_init Importing dlls for L"S:\\8a50d376\\Cuphead.exe" failed, status c0000135

gamemodeauto: dlopen failed - libgamemode.so: cannot open shared object file: No such file or directory

gamemodeauto: dlopen failed - libgamemode.so: cannot open shared object file: No such file or directory

gamemodeauto: dlopen failed - libgamemode.so: cannot open shared object file: No such file or directory

============= End of log =============