"On GNOME, alongside other useful core apps, there is usually the video player called 'Totem', commonly known as 'GNOME Videos', which has been around for quite some time. However, this one is being replaced with a newer one, called 'Showtime', which aims to offer its users a watching experience without distractions": GNOME to Ditch Totem With New 'Showtime' Video Player App https://news.itsfoss.com/gnome-showtime/