Full list of all 11 Press X to Not Die achievements. It takes around 3-4 hours to unlock all of the achievements in the base game on Windows.
The base game contains 10 achievements, and there is 1 DLC pack containing 1 achievements.
Finish the game on at least Medium
Don't learn your lesson.
Die in at least 23 different ways
Zoom in on Behind The Scenes Photo #8
Chocolate Chocolate. Chocolate? Chocolate.
Get hit in the nuts in every possible way
Finish the game on at least Hard
Finish the game on Ridiculous
Finish the game on Ridiculous without dying
Experience at least 90% of the game