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 wonTauSee a Tau (or its antiparticle) 17 September 2015 - Add a guideTau NeutrinoSee a Tau Neutrino (or its antiparticle) 17 September 2015 - Add a guideMuonSee a Muon (or its antiparticle) 17 September 2015 - Add a guideBottomBecome an Anti-Bottom Quark 17 September 2015 - Add a guideThe PentaquarkBe part of a Pentaquark (A Phi or a Theta particle) 15 September 2015 - Add a guideCharmed SigmaBe a part of a Charmed Sigma, or its antiparticle 15 September 2015 - Add a guideKaon+Be part of a Kaon+, or its antiparticle 14 September 2015 - Add a guideDeuteriumBe part of a Deuterium atom 14 September 2015 - Add a guideTritiumBe part of a Tritium atom 14 September 2015 - Add a guideBottom LambdaBe a part of a Bottom Lambda, or its antiparticle 14 September 2015 - Add a guideSigma+Be a part of a Sigma+, or its antiparticle 14 September 2015 - Add a guideLambdaBe a part of a Lambda, or its antiparticle 14 September 2015 - Add a guideCharmed LambdaBe a part of a Charmed Lambda, or its antiparticle 14 September 2015 - Add a guideSigma-Be a part of a Sigma-, or its antiparticle 14 September 2015 - Add a guideDelta-Be a part of a Delta-, or its antiparticle 14 September 2015 - Add a guideProtonBe a part of a Proton, or its antiparticle 14 September 2015 - Add a guideTopBecome an Anti-Top Quark 14 September 2015 - Add a guideEnlightenedCollect 1000 Data 14 September 2015 - Add a guideEtaBe part of a Eta, or its antiparticle 14 September 2015 - Add a guideD+ MesonBe part of a D+ Meson, or its antiparticle 14 September 2015 - Add a guideAny XiBe part of any of the Xi Particles 14 September 2015 - Add a guideB MesonBe part of a B Meson, or its antiparticle 14 September 2015 - Add a guidePionBe part of a Pion, or its antiparticle 14 September 2015 - Add a guideT MesonBe part of a T Meson, or its antiparticle 14 September 2015 - Add a guideStubbornDie 100 times 14 September 2015 - Add a guideKapow!Witness 1000 Annihilations 14 September 2015 - Add a guideD MesonBe part of a D Meson, or its antiparticle 14 September 2015 - Add a guideKaonBe part of a Kaon, or its antiparticle 14 September 2015 - Add a guideStrangeBecome an Anti-Strange Quark 14 September 2015 - Add a guideMuon NeutrinoSee a Muon Neutrino (or its antiparticle) 14 September 2015 - Add a guideCharmedBecome an Anti-Charmed Quark 14 September 2015 - Add a guideNeutrinoSee a Neutrino (or its antiparticle) 14 September 2015 - Add a guideNot a down quarkBecome an Anti-Up Quark 14 September 2015 - Add a guideAgent of ChangeSee a W Boson 14 September 2015 - Add a guideDeuteronBe part of a Deuteron 11 September 2015 - Add a guideHydrogenBe part of a Hydrogen atom 11 September 2015 - Add a guideElectronSee an Electron (or its antiparticle) 11 September 2015 - Add a guideDineutronBe part of a Dineutron 11 September 2015 - Add a guidePersistentDie 10 times 11 September 2015 - Add a guideKnowledgeableCollect 100 Data 11 September 2015 - Add a guideBam!Witness 100 Annihilations 11 September 2015 - Add a guideNeutronBe a part of a Neutron, or its antiparticle 11 September 2015 - Add a guideAnti-UpSee an Anti-Up Quark 11 September 2015 - Add a guideUpSee an Up Quark 11 September 2015 - Add a guideLearnedCollect 10 Data 11 September 2015 - Add a guideBoom!Witness 10 Annihilations 11 September 2015 - Add a guideAnti-DownSee an Anti-Down Quark 11 September 2015 - Add a guideDownYou are a Down Quark 11 September 2015 - Add a guideHelium-2Be part of a Helium-2 atom Locked - Add a guideHelium-3Be part of a Helium-3 atom Locked - Add a guideHeliumBe part of a Helium atom Locked - 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 guideStrange D MesonBe part of a Strange D Meson, or its antiparticle Locked - Add a guideT+ MesonBe part of a T+ Meson, or its antiparticle Locked - Add a guideCharmed T MesonBe part of a Charmed 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 guideB+ MesonBe part of a B+ Meson, or its antiparticle Locked - Add a guideCharmed B MesonBe part of a Charmed B Meson, or its antiparticle Locked - Add a guideStrange B MesonBe part of a Strange B Meson, or its antiparticle Locked - Add a guide