Aaero
Aaero is a rhythm shooter that sees players flying through stylized environments while blasting enemies to the beat of electronic music. It is very challenging and unforgiving but also very addictive, and depending on your musical taste, it has a great soundtrack. The lack of support for things like Steam Workshop and custom songs limits the replay value a bit, but mastering all the songs should keep most players busy for ages.
Gameplay: Aaero is challenging, intense, and very addictive.
Graphics: The visuals of the game are beautiful and varied.
Sound: Aaero features a great electronic music soundtrack