Here is the full list of all 14 Outbreak: Lost Hope achievements.
Defeated a threat.
Completed Story Mode.
Consumed a healing item.
Solved your first puzzle.
You died.
Defeated twenty threats.
Defeated fifty threats.
Defeated 100 threats.
You died again...
Three deaths? Really?
Are you dying on purpose now?
Just. Stop. Dying.
Solved three puzzles.
Land ten critical hits.