Mad Devils Achievements Here is the full list of all 36 Mad Devils 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 Flag Filter All None 36 Online/Offline 35 Single Player 36 Cooperative 12 Main Storyline 4 Difficulty Specific 3 Stackable 5 Collectable 10 Cumulative + 6 Shop Link flagsOR joinAND join Achievements without these flags What are achievement flags? Click to find outApply Tough Row of Buttons to ShineUnlock all other achievements. ParadisoComplete the campaign on Easy difficulty or higher. PurgatorioComplete the campaign on Standard difficulty or higher. InfernoComplete the campaign on Inferno difficulty. Baptism by FireComplete the Training Mission and enter the Hub. NevermoreDefeat a Nachtrapt. (Scotland) A Gnawing HungerDefeat Famine. (India) Heart of DarknessRescue Corporal Harris. (Frankfurt) Besting the BlightDefeat Pestilence. (Ukraine) Lightning in a BottleRescue Dr. Miller. (South Wales) Downward SpiralRescue Sergeant Malkov. (Ireland) An End to WarDefeat War. (Africa) Swan SongRescue Private Chester. (Norway) Better to Reign in HellDefeat Major Struass. Hell is Other PeopleComplete a Mission in Co-Op. (Local or Online) Hell is EmptyKill 750 Demons. All the Devils are HereKill 1500 Demons. Blaze of GloryKill 350 Demons as Master Sergeant Asher. Death from the ShadowsKill 350 Demons as Agent Cross. The Mighty Cannon's RoarKill 350 Demons as Corporal Harris. ShockingKill 350 Demons as Dr. Miller. Blast 'em to HellKill 350 Demons as Private Chester. Back to Hell with a BulletKill 350 Demons as Sergeant Malkov. Pineapple ExpressKill 150 Demons with Explosives. (Excluding Weapons/Powers) Fighting Fire with HellfireKill 250 Demons with Powers. DeclassifiedUnlock all Powers. Cry HavocFully upgrade all of a Character's Powers. Let Slip the Dogs of WarFully upgrade all Powers. Deal with the DevilInvest 5 Crystals in weapon upgrades. Stygian FirepowerInvest 25 Crystals in weapon upgrades. Element of SurpriseAdd elemental damage to a weapon. Elements UnleashedFully upgrade a weapon's elemental damage. The Devil's PlaythingDestroy an Enclave. Give the Devil his DueDestroy 10 Enclaves. Paper TrailUnlock a Collectable. Devil in the DetailsUnlock All Collectables.