Earn a platinum medal in any race
Complete the Bank Heist: Cash job on the Normal difficulty or above.
Buy a weapon for the first time.
Complete the Jewelry Store job on the Normal difficulty or above.
Equip the 350K brass knuckles. Celebrating the release of the Death Wish update, you can now unlock the 350K knuckles by simply joining the PAYDAY 2 Official Group on Steam.
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