I really like Croteam with The Talos Principle as an example, but it was more a confluence of things coming together rather than the company changing tact since they went back to Serious Sam afterwards.
They made what you could call "mindless" shooters for years with Serious Sam, and then suddenly in 2014 released a puzzle game which I would say is a modern classic in the genre. I love the puzzles, narrative and themes of it. I also love the music. The presentation could be called copy and paste but there is a narrative reason for that.
It really crushes you with the cold harsh reality of the world/life but it also makes you feel the beauty of the world at the same time.
Its currently buttons on Steam so no better time to give it go if you like logic puzzles and philosophy:
You can even get the base game + DLC + soundtrack around a tenner.