This can only be done on the loud version of the Jewelry Store heist. Purchase the contract from Bain on the Overkill difficulty for $160,000.
There's an offline campaign that you can use to learn your way around the maps and figure out the different permutations of each one, but trying to cover all the entrances in a firefight with just two AI companions is next to impossible on many of the maps. Still, picked up the skill that let's me pick up items while in casing mode, which seems huge for certain maps. The new talent tree was a bit of a shock, but I decided to stick mostly Ghost since I like going silent.
The base game contains 691 achievements, and there are 45 DLC packs containing 555 achievements. It takes around 200 hours to unlock all of the achievements in the base game on Windows.
Here you can download all of my PAYDAY 2 Mods to enhance your game.
Here's how to create the perfect stealth build for the game. Payday 2 gives players all sorts of methods of execution.