No se puede iniciar el juego Steam desde cmdline: el archivo existente no existe

No se puede iniciar el juego Steam desde cmdline: el archivo existente no existe

Puedo iniciar el juego a través de Steam normalmente sin problemas. Pero en su lugar quiero iniciar un script que iniciará el juego.

Steam registra un comando en syslog como este:

/bin/sh\0-c\0/home/kuba/.local/share/Steam/ubuntu12_32/reaper SteamLaunch AppId=56400 -- /home/kuba/.local/share/Steam/ubuntu12_32/steam-launch-wrapper -- '/games/SteamLibrary/steamapps/common/SteamLinuxRuntime_sniper'/_v2-entry-point --verb=waitforexitandrun -- '/home/kuba/.local/share/Steam/compatibilitytools.d/GE-Proton8-11'/proton waitforexitandrun  '/games/SteamLibrary/steamapps/common/Dawn of War II - Retribution/DOW2.exe'\0

Después de citar corro:

/bin/sh -c "/home/kuba/.local/share/Steam/ubuntu12_32/reaper SteamLaunch AppId=56400 -- /home/kuba/.local/share/Steam/ubuntu12_32/steam-launch-wrapper -- '/games/SteamLibrary/steamapps/common/SteamLinuxRuntime_sniper'/_v2-entry-point --verb=waitforexitandrun -- '/home/kuba/.local/share/Steam/compatibilitytools.d/GE-Proton8-11'/proton waitforexitandrun  '/games/SteamLibrary/steamapps/common/Dawn of War II - Retribution/DOW2.exe'"

Pero me sale un error:

pressure-vessel-adverb[175960]: E: Failed to execute child process "/games/SteamLibrary/steamapps/common/SteamLinuxRuntime_sniper/pressure-vessel/bin/steam-runtime-launcher-interface-0" (No such file or directory)

Lo loco es ese archivohace¡existir!

that_cmd 2>&1 | grep -o '".*"' | xargs file
/games/SteamLibrary/steamapps/common/SteamLinuxRuntime_sniper/pressure-vessel/bin/steam-runtime-launcher-interface-0: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, for GNU/Linux 2.6.24, BuildID[sha1]=f9f3879d7dc5c745fe91e9c7fcbd4f4e37dc5f35, stripped

¿Qué debo poner en las opciones de Inicio para iniciar un script que pueda iniciar el juego?

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