Based on the basic concepts of "simple and easy to play", "deep and addictive", and "very exhilarating when the mystery is solved" - includes 3 types of puzzle games.
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.