Complete Mission 2 (Any Difficulty Level)

Fully Upgrade A Single Stat Of Any Weapon In Campaign Mode

Complete A Mission Without Dying

Collect An Armor Piece

Modify a weapon for the first time.

Buy a weapon for the first time.

Complete your first job.

Until I put on the mask.

Save D6.

Kill 100 Human Enemies.

Disarm 10 Traps.

Kill at least one Enemy with each Weapon available in the game.

Kill Pavel.