Hotline Miami 2 and Cities: Skylines. That might seem like an odd mix but I'm loving both of them. Ever since I played Banished I've wanted to play a city builder like it that's more involved and more challenging than others in the genre; the more detailed simulation of Skylines really helps me feel connected to what's going on in the game world (when I played SimCity 4 recently I felt like stuff just happened by itself for no reason and that I wasn't really doing anything), and sometimes I think I would play the game just to mess with the traffic model.
And, to talk about the sequel to one of my favorite games, Hotline Miami 2 is fantastic, for the most part. The gameplay itself is somewhat less enjoyable, as the combo/scoring system has much less depth (this really only bothers combo and score maniacs like myself) and the level design is lacking despite having twice as many stages it seems, but it makes up for this in other areas. The story is more intricate and multi-faceted (and less pointless if you know what the original was actually about) and the atmosphere of the game is even better developed than the original. The soundtrack is f*****g incredible, too.
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Nosce te ipsum - Know thyself