I gave this game a try, but I honestly don't see how this fits the theme. It was also a bit confusing what I needed to do after the main menu. I just clicked on a dude, and then I was in the game. Ok, quick enough, but then I started trying to understand what I needed to do since I couldn't see much of what the cards said because I had hit space a couple times. This made being able to see the cards a lot harder. Once I was clear on how to play, it just didn't push me to keep trying.
This looks very cleanly done even if neither the art nor the music were done from scratch, so this is great technically speaking in this regard.