If you are on Linux and see the "Steam must be running" error, try these steps:
Getting the "Steam must be running to play this game" error while trying to play is a common frustration, especially on modern systems like Windows 10 and 11. Even when the Steam client is open, communication breakdowns between the game's executable and Steam's API can prevent Dante's journey from starting. DMC Devil May Cry - Steam must be running to play this game Dmc Devil May Cry Steam Must Be Running To Play This