Simple, dumb fun at the most primal level, just smashing robots and blowing them up, sometimes that's all a game needs to be enjoyable.
I like the idea of spinning the mouse to spin your weapon, incorporating the theme into the control scheme is always nice, but I pretty quickly gave up doing it and ended up just holding left mouse most of the time. Also is there a strategy to beating your doppelganger? I managed to win eventually but it felt like it was just up to luck no matter what perks or weapon I had equipped.
Anyways the game was a good time overall, and the customization was a nice touch :)