Particulars Achievements Here is the full list of all 63 Particulars 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 wonSigma+Be a part of a Sigma+, or its antiparticle 14 August 2020 - Add a guideBottom LambdaBe a part of a Bottom Lambda, or its antiparticle 14 August 2020 - Add a guideMuon NeutrinoSee a Muon Neutrino (or its antiparticle) 26 March 2017 - Add a guideEnlightenedCollect 1000 Data 26 March 2017 - Add a guideStubbornDie 100 times 22 January 2015 - Add a guideAny XiBe part of any of the Xi Particles 22 January 2015 - Add a guideHelium-3Be part of a Helium-3 atom 22 January 2015 - Add a guideHelium-2Be part of a Helium-2 atom 22 January 2015 - Add a guideDeuteriumBe part of a Deuterium atom 22 January 2015 - Add a guideHeliumBe part of a Helium atom 22 January 2015 - Add a guideTritiumBe part of a Tritium atom 22 January 2015 - Add a guideCharmed LambdaBe a part of a Charmed Lambda, or its antiparticle 22 January 2015 - Add a guideDeuteronBe part of a Deuteron 22 January 2015 - Add a guideSigma-Be a part of a Sigma-, or its antiparticle 22 January 2015 - Add a guideLambdaBe a part of a Lambda, or its antiparticle 22 January 2015 - Add a guideProtonBe a part of a Proton, or its antiparticle 22 January 2015 - Add a guideKapow!Witness 1000 Annihilations 22 January 2015 - Add a guideDelta-Be a part of a Delta-, or its antiparticle 22 January 2015 - Add a guideCharmed SigmaBe a part of a Charmed Sigma, or its antiparticle 22 January 2015 - Add a guideD+ MesonBe part of a D+ Meson, or its antiparticle 22 January 2015 - Add a guideEtaBe part of a Eta, or its antiparticle 22 January 2015 - Add a guideCharmed T MesonBe part of a Charmed T Meson, or its antiparticle 22 January 2015 - Add a guideB MesonBe part of a B Meson, or its antiparticle 22 January 2015 - Add a guideT MesonBe part of a T Meson, or its antiparticle 28 November 2014 - Add a guideStrange B MesonBe part of a Strange B Meson, or its antiparticle 28 November 2014 - Add a guideB+ MesonBe part of a B+ Meson, or its antiparticle 28 November 2014 - Add a guideBottomBecome an Anti-Bottom Quark 28 November 2014 - Add a guideTopBecome an Anti-Top Quark 28 November 2014 - Add a guideCharmedBecome an Anti-Charmed Quark 28 November 2014 - Add a guidePionBe part of a Pion, or its antiparticle 28 November 2014 - Add a guideStrange D MesonBe part of a Strange D Meson, or its antiparticle 28 November 2014 - Add a guideKaonBe part of a Kaon, or its antiparticle 28 November 2014 - Add a guideStrangeBecome an Anti-Strange Quark 28 November 2014 - Add a guideD MesonBe part of a D Meson, or its antiparticle 28 November 2014 - Add a guideNeutrinoSee a Neutrino (or its antiparticle) 28 November 2014 - Add a guideNot a down quarkBecome an Anti-Up Quark 28 November 2014 - Add a guideAgent of ChangeSee a W Boson 28 November 2014 - Add a guidePersistentDie 10 times 28 November 2014 - Add a guideHydrogenBe part of a Hydrogen atom 27 November 2014 - Add a guideElectronSee an Electron (or its antiparticle) 27 November 2014 - Add a guideKnowledgeableCollect 100 Data 27 November 2014 - Add a guideDineutronBe part of a Dineutron 27 November 2014 - Add a guideBam!Witness 100 Annihilations 27 November 2014 - Add a guideNeutronBe a part of a Neutron, or its antiparticle 27 November 2014 - Add a guideAnti-UpSee an Anti-Up Quark 27 November 2014 - Add a guideUpSee an Up Quark 27 November 2014 - Add a guideBoom!Witness 10 Annihilations 27 November 2014 - Add a guideLearnedCollect 10 Data 27 November 2014 - Add a guideDownYou are a Down Quark 27 November 2014 - Add a guideAnti-DownSee an Anti-Down Quark 27 November 2014 - Add a guideBottom Sigma+Be a part of a Bottom Sigma+, or its antiparticle Locked - Add a guideBottom Sigma-Be a part of a Bottom Sigma-, or its antiparticle Locked - Add a guideAny OmegaBe part of any Omega particle Locked - Add a guideH DibaryonBe part of a H Dibaryon Locked - Add a guideKaon+Be part of a Kaon+, or its antiparticle Locked - Add a guideT+ MesonBe part of a T+ Meson, or its antiparticle Locked - Add a guideStrange T MesonBe part of a Strange T Meson, or its antiparticle Locked - Add a guideBottom T MesonBe part of a Bottom T Meson, or its antiparticle Locked - Add a guideCharmed B MesonBe part of a Charmed B Meson, or its antiparticle Locked - Add a guideThe PentaquarkBe part of a Pentaquark (A Phi or a Theta particle) Locked - Add a guideMuonSee a Muon (or its antiparticle) Locked - Add a guideTauSee a Tau (or its antiparticle) Locked - Add a guideTau NeutrinoSee a Tau Neutrino (or its antiparticle) Locked - Add a guide