Here is the full list of all 11 Death Box achievements.
Complete all chapter 1 levels
Complete all chapter 2 levels
Complete all chapter 3 levels
Complete all chapter 4 levels
Complete all chapter 5 levels
Survive 5 minutes in chapter 1 in endless mode
Survive 5 minutes in chapter 2 in endless mode
Survive 5 minutes in chapter 3 in endless mode
Survive 5 minutes in chapter 4 in endless mode
Survive 5 minutes in chapter 5 in endless mode
Score 100 points in super death box mode