Here is the full list of all 21 Death Bowl achievements.
Complete The Mill.
Complete The Plunge.
Complete The Climb.
Die on The Climb.
Earn all 25 Stars.
Escape Death Bowl.
Complete the season of Death Bowl.
Collect every Golden Skull on The Terror while Organic.
Collect every Golden Skull.
Complete every arena with Wings of Icarus.
Complete every arena with CUL-8-R.
Complete every arena with Titanflex.
Complete every arena playing Organic.
Die 1,000 times.
Die 200 times from Falling.
Die 200 times from fire-based obstacles.
Die 200 times from cutting obstacles.
Die 200 times from explosions.
Complete every arena using every drug.
Complete The Dragon.
Complete The Terror.