System Info:
CPU: 4x Intel(R) Core(TM) i7-7500U CPU @ 2.70GHz
Memory: 16.67 GB (used: 4.61 GB)
GPUs:
  GPU 0:
    Name: Advanced Micro Devices, Inc. [AMD/ATI] Topaz XT [Radeon R7 M260/M265 / M340/M360 / M440/M445 / 530/535 / 620/625 Mobile]
    IDs: D=6900 V=1002 SD=0768 SV=1028
    Driver: amdgpu
  GPU 1:
    Name: Intel Corporation HD Graphics 620
    IDs: D=5916 V=8086 SD=0768 SV=1028
    Driver: i915
OS: EndeavourOS 6.6.2-arch1-1 (linux)

The current system is not a Steam Deck
We are not running inside a Flatpak container

Software Versions:
  Heroic: 2.10.0 Jewelry Bonney
  Legendary: 0.20.33 Undue Alarm
  gogdl: 0.7.3
  Nile: 1.0.0 Jonathan Joestar

Game Settings: {
	"autoInstallDxvk": true,
	"autoInstallVkd3d": true,
	"preferSystemLibs": false,
	"enableEsync": true,
	"enableFsync": true,
	"nvidiaPrime": false,
	"enviromentOptions": [],
	"wrapperOptions": [],
	"showFps": false,
	"useGameMode": false,
	"language": "",
	"wineVersion": {
		"bin": "/home/lucap/.config/heroic/tools/proton/Proton-GE-latest/proton",
		"name": "Proton - Proton-GE-latest",
		"type": "proton"
	},
	"winePrefix": "/run/media/lucap/07286a19-e77d-4a1f-bd54-b253b470a903/Heroic/Prefixes/default/Sunblaze",
	"wineCrossoverBottle": ""
}

Game launched at: Mon Nov 27 2023 22:54:12 GMT+0100 (Ora standard dell’Europa centrale)

Launch Command: HEROIC_APP_NAME=1763369377 HEROIC_APP_RUNNER=gog HEROIC_APP_SOURCE=gog LD_PRELOAD= DOTNET_BUNDLE_EXTRACT_BASE_DIR= DOTNET_ROOT= STEAM_COMPAT_CLIENT_INSTALL_PATH=/home/lucap/.steam/steam STEAM_COMPAT_DATA_PATH=/run/media/lucap/07286a19-e77d-4a1f-bd54-b253b470a903/Heroic/Prefixes/default/Sunblaze STEAM_COMPAT_INSTALL_PATH="/run/media/lucap/07286a19-e77d-4a1f-bd54-b253b470a903/GOG Games/Sunblaze" WINE_FULLSCREEN_FSR=0 STEAM_COMPAT_APP_ID=0 SteamAppId=0 SteamGameId=heroic-Sunblaze PROTON_LOG_DIR=/home/lucap /opt/heroic/resources/app.asar.unpacked/build/bin/linux/gogdl launch "/run/media/lucap/07286a19-e77d-4a1f-bd54-b253b470a903/GOG Games/Sunblaze" 1763369377 --no-wine --wrapper " '/home/lucap/.config/heroic/tools/proton/Proton-GE-latest/proton' run" --platform windows

Game Log:
fsync: up and running.
wine: RLIMIT_NICE is <= 20, unable to use setpriority safely
[S_API] SteamAPI_Init(): SteamAPI_IsSteamRunning() did not locate a running instance of Steam.
[S_API FAIL] SteamAPI_Init() failed
Launch command: ['/home/lucap/.config/heroic/tools/proton/Proton-GE-latest/proton', 'run', '/run/media/lucap/07286a19-e77d-4a1f-bd54-b253b470a903/GOG Games/Sunblaze/Sunblaze.exe']
All processes exited