This game is a Bullet Heck game which means you need to dodge stuff, the stuff you need to dodge in this game is Stars, The Sun, A laser that appears on top of...
To respawn press the "Left Meta" button and there isn't a health bar since it takes one hit to die.
"Left Meta" huh? What if you are using a Chromebook (I don't know what is a left meta lol)? And why couldn't the respawn button be another button like "E" for example?