I just shared a similar post to r/Metalcore about music-map.com, a service I've been using for years. It's a free website where you type in a band and it shows a "map" with a bunch of other bands listed. Closer the band, the more likely the two are similar. It's part of GNOD, a self-learning system that enables users to discover and discuss new music, books, products, art, and movies. I just realized... Source: almost 2 years ago

You could try using https://gameslikefinder.com/ or https://apps.quanticfoundry.com/recommendations/gamerprofile/videogame/ to see what the AI recommends. I find that they are usually pretty close to my preferences. Source: over 1 year ago

Gameslikefinder.com has pretty good guides for each classes. Source: over 1 year ago

50GamesLike and GamesLikeFinder were among the top results. Neither of them were great but GamesLikeFinder seemed to give a bit more relevant results. I also found Steampeek if you're searching for indie games specifically. Source: about 2 years ago

Are you looking for a new videogame to play, but you prefer something similar to other videogames you already enjoy and own? https://gameslikefinder.com/ is your website. Source: over 2 years ago

Cant test how good it works, cause work has it blocked but, https://gameslikefinder.com/. Source: almost 3 years ago