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 on the Hard difficulty or above by having 1 player playing as Hoxton, all having Nova's Shank melee weapon equipped, and are only allowed to kill enemies using Nova's Shank. Unlocks the "Risen Houston" mask.