I LOVE how clean the graphics are - they communicate well by themselves, and tied with the palette and fonts, it makes a cohesive visual style that really works for the mechanics. The little juicy touch of the energy bar shaking when discharging energy felt really polished.
I did get the "Bro" ending the first time, just to see what happened if I held down the energy button, love that it can't be spammed!
5-10 minutes later I got the good ending!