It's a game with no content. It's characterized by no content. It exists for an unspeakable purpose, but you can use it to pass the time.
4GamesList is the best free alternative to Backloggd — like AniList, Letterboxd, or MyAnimeList but for video games. Track your game library, log playtime, sync Steam achievements and PSN trophies, browse game characters and studios, and connect with friends.