Here is the full list of all 19 GoNNER achievements.
Didn't have to skip death.
You became Death.
There's nothing there! No easter egg, no extra item, no nothing. Just a dumb achievement.
You pushed that big piece of trash off your lawn. Good on you.
you found sally
You completed Death world! Woah!
You completed Shooty world! Smooth!
You completed the Robot world. Impressive.
I'm a serious adult person and I think this kind of humor is childish and should be banned.
You hit the glyph cap!
I believe in you, get back up.
Did you just run out of colors?
These combos are just getting ridiculous...
You jumped on 20 enemies in a row
You completed the Cave world. Good job.
You got a combo of 15!
It's not even ASCII, how can it even be called Roguelike???
You got a combo of 5
You picked up a glyph!