Full list of all 1328 PAYDAY 2 achievements. It takes around 200 hours to unlock all of the achievements in the base game on Windows.
The base game contains 691 achievements, and there are 57 DLC packs containing 637 achievements.
Complete the Prison Nightmare job, getting at least 15 keycards on the Mayhem difficulty or above without any player ever going into custody. Unlocks the "Risen Chains" mask.