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.
In the White Xmas job, complete the heist on the Death Wish difficulty or above while each crew member wears a different "2014 Xmas" mask each. Unlocks the "Almir's Beard" mask.