Delta Particles Achievements Here is the full list of all 53 Delta Particles achievements.Filter Achievement View View Image viewList view Sort by Won first then 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 AllWonNot wonSomething else?Watch the post-credits scene. 26 December 2024 - Add a guideIt's based. It's Delta BasedFinish the campaign. 26 December 2024 - Add a guideMore than just a gamerFinish the game on medium difficulty. 26 December 2024 - Add a guideHeart-stoppingly cute momentEnter the portal. 26 December 2024 - Add a guideStrange placeVisit a rotating radioactive asteroid. 25 December 2024 - Add a guideFlies don't let sleepDestroy all alien hives in Xen. 25 December 2024 - Add a guideUnnecessary crueltyKill the bullsquid before it gets into the hurricane. 25 December 2024 - Add a guideGood riddanceGet caught in an alien storm and successfully die there. 25 December 2024 - Add a guideDeforestationDestroy 25 Xen Trees. 25 December 2024 - Add a guidePunishment for ImmortalityDestroy 10 Xen Trees. 25 December 2024 - Add a guideUnknown worldFind yourself in the alien world. 25 December 2024 - Add a guideFashionistaDiana equipped a protection suit. 25 December 2024 - Add a guideResuscitated hopeFind Diana in the tunnels. 25 December 2024 - Add a guideNo brains at all anymoreBehead 125 enemies. 25 December 2024 - Add a guideIn the line of fireKill two enemies with the Light Gun in one shot. 25 December 2024 - Add a guideTo use a sledgehammer to crack a nutKill five headcrabs with the sniper rifle. 25 December 2024 - Add a guideVeteran of the shootersKill three alien controllers with the under-barrel grenade launcher. 25 December 2024 - Add a guideWe are saved… or not?Transmit a SOS signal from the helipad. 25 December 2024 - Add a guideMechanical manActivate the guard robot at the robot factory. 25 December 2024 - Add a guideLocomotiveGet through the place after parking without destroying an enemy SUV. 25 December 2024 - Add a guideMight makes rightDestroy one Robotic Infantry unit with a melee weapon. 25 December 2024 - Add a guideScience and madnessStabilize the power generator. 25 December 2024 - Add a guideIntimidating but ineffectiveTurn on the power and open the fence door without killing Garg. 25 December 2024 - Add a guideHurry up, before he looks away from us...It seems you've been robbed of something valuable. 25 December 2024 - Add a guideIn the darknessTurn off the light and leave the basement. 25 December 2024 - Add a guideAnyway, you're already deadKill a struggling scientist in the basement. 25 December 2024 - Add a guideSilence 2.0Pick up a silencer for SMG. 25 December 2024 - Add a guideIt's high noon!Kill six enemies in a row with a single clip from your revolver without changing weapons. 25 December 2024 - Add a guideLow batteryGet additional points of armor from the technician three times. 25 December 2024 - Add a guideOops, nothing personalBlow up the container with the scientist inside. 25 December 2024 - Add a guideIt's redundantBehead 60 enemies. 25 December 2024 - Add a guideOvertimeGet the cargo down to the railcar. 25 December 2024 - Add a guideSwiftly and without sufferingDump the chemicals. 25 December 2024 - Add a guideFree travelTake a trip on the monorail train. 25 December 2024 - Add a guideRadical problem solvingDemolish the jammed door. 25 December 2024 - Add a guideIt was difficult, but I succeededSave the security officer from three zombies in the lab. 25 December 2024 - Add a guideGot you!Save the scientist from zombie in the lab. 25 December 2024 - Add a guideHands off!Kill the headcrab inside the healing pod. 25 December 2024 - Add a guidePleasant meetingMeet Diana after the disaster. 25 December 2024 - Add a guideThree hatchets 777Find a bottle of healing liquid and drink it. 25 December 2024 - Add a guideOh, my!Find "interesting" photos. 25 December 2024 - Add a guideDecapitation!Behead 25 enemies. 25 December 2024 - Add a guideI said don't go in thereEnter the barricaded room against the scientist's advice. 25 December 2024 - Add a guideIt's a really big gunFind a shotgun early. 25 December 2024 - Add a guideJewelry workBehead a zombie using the pipe wrench. 25 December 2024 - Add a guideWho's here?Turn on emergency power supply after the disaster. 25 December 2024 - Add a guideSafety violationYou were squashed by a cargo container. 25 December 2024 - Add a guideAt the employer's expenseDrink 25 soda cans. 25 December 2024 - Add a guideFriends like you…Prevent security officer from listening to music. 25 December 2024 - Add a guideRare colorEquip a protection suit. 25 December 2024 - Add a guideDelta-ChadFinish the game on hard difficulty. Locked - Add a guideHelpful storage roomUnlock all rooms with supplies inside. Locked - Add a guideBlue lagoonSurvive the Xen arena without using the healing pool. Locked - Add a guide