Deathly Dangerous Achievements Here is the full list of all 10 Deathly Dangerous achievements.Filter Achievement View View Image viewList view Sort by TrueSteamAchievement desc TrueSteamAchievement asc Achievement name desc Achievement name asc TSA Ratio desc TSA Ratio asc Gamers desc Gamers asc Steam order Date won desc Date won asc What are achievement flags? Click to find outApply The DefilerPass the boss of 1 location The GravediggerPass the boss of 2 location The DevourerPass the boss of 3 location The DestroyerPass the boss of 4 location Mighty ShotgunOpen the shotgun Insidious flameOpen the flamethrower Relentless flowOpen the plasma cutter TorqueOpen the circular saw First bloodThe first murder Open stallFirst purchase