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) 22 September 2016 - Add a guideThe PentaquarkBe part of a Pentaquark (A Phi or a Theta particle) 22 September 2016 - Add a guideAny OmegaBe part of any Omega particle 22 September 2016 - Add a guideStrange T MesonBe part of a Strange T Meson, or its antiparticle 21 September 2016 - Add a guideBottom T MesonBe part of a Bottom T Meson, or its antiparticle 21 September 2016 - Add a guideBottom Sigma+Be a part of a Bottom Sigma+, or its antiparticle 21 September 2016 - Add a guideTau NeutrinoSee a Tau Neutrino (or its antiparticle) 10 September 2016 - Add a guideMuonSee a Muon (or its antiparticle) 10 September 2016 - Add a guideBottom Sigma-Be a part of a Bottom Sigma-, or its antiparticle 09 September 2016 - Add a guideB+ MesonBe part of a B+ Meson, or its antiparticle 09 September 2016 - Add a guideCharmed B MesonBe part of a Charmed B Meson, or its antiparticle 09 September 2016 - Add a guideT MesonBe part of a T Meson, or its antiparticle 09 September 2016 - Add a guideT+ MesonBe part of a T+ Meson, or its antiparticle 09 September 2016 - Add a guideStrange D MesonBe part of a Strange D Meson, or its antiparticle 09 September 2016 - Add a guideCharmed T MesonBe part of a Charmed T Meson, or its antiparticle 09 September 2016 - Add a guideStrange B MesonBe part of a Strange B Meson, or its antiparticle 09 September 2016 - Add a guideB MesonBe part of a B Meson, or its antiparticle 09 September 2016 - Add a guideHelium-2Be part of a Helium-2 atom 06 September 2016 - Add a guideHeliumBe part of a Helium atom 06 September 2016 - Add a guideHelium-3Be part of a Helium-3 atom 06 September 2016 - Add a guideTritiumBe part of a Tritium atom 06 September 2016 - Add a guideBottomBecome an Anti-Bottom Quark 06 September 2016 - Add a guideSigma+Be a part of a Sigma+, or its antiparticle 05 September 2016 - Add a guideDeuteriumBe part of a Deuterium atom 05 September 2016 - Add a guideBottom LambdaBe a part of a Bottom Lambda, or its antiparticle 05 September 2016 - Add a guideSigma-Be a part of a Sigma-, or its antiparticle 04 September 2016 - Add a guideH DibaryonBe part of a H Dibaryon 04 September 2016 - Add a guideAny XiBe part of any of the Xi Particles 04 September 2016 - Add a guideCharmed LambdaBe a part of a Charmed Lambda, or its antiparticle 04 September 2016 - Add a guideKaon+Be part of a Kaon+, or its antiparticle 04 September 2016 - Add a guideDeuteronBe part of a Deuteron 04 September 2016 - Add a guideProtonBe a part of a Proton, or its antiparticle 04 September 2016 - Add a guideDelta-Be a part of a Delta-, or its antiparticle 04 September 2016 - Add a guidePionBe part of a Pion, or its antiparticle 04 September 2016 - Add a guideEnlightenedCollect 1000 Data 04 September 2016 - Add a guideLambdaBe a part of a Lambda, or its antiparticle 04 September 2016 - Add a guideEtaBe part of a Eta, or its antiparticle 04 September 2016 - Add a guideD+ MesonBe part of a D+ Meson, or its antiparticle 04 September 2016 - Add a guideCharmed SigmaBe a part of a Charmed Sigma, or its antiparticle 04 September 2016 - Add a guideStubbornDie 100 times 04 September 2016 - Add a guideKapow!Witness 1000 Annihilations 04 September 2016 - Add a guideTopBecome an Anti-Top Quark 04 September 2016 - Add a guideKaonBe part of a Kaon, or its antiparticle 04 September 2016 - Add a guideD MesonBe part of a D Meson, or its antiparticle 04 September 2016 - Add a guideStrangeBecome an Anti-Strange Quark 04 September 2016 - Add a guideCharmedBecome an Anti-Charmed Quark 04 September 2016 - Add a guideMuon NeutrinoSee a Muon Neutrino (or its antiparticle) 04 September 2016 - Add a guideNot a down quarkBecome an Anti-Up Quark 04 September 2016 - Add a guideNeutrinoSee a Neutrino (or its antiparticle) 04 September 2016 - Add a guideAgent of ChangeSee a W Boson 04 September 2016 - Add a guideDineutronBe part of a Dineutron 03 September 2016 - Add a guideHydrogenBe part of a Hydrogen atom 03 September 2016 - Add a guideElectronSee an Electron (or its antiparticle) 03 September 2016 - Add a guideKnowledgeableCollect 100 Data 02 September 2016 - Add a guidePersistentDie 10 times 02 September 2016 - Add a guideNeutronBe a part of a Neutron, or its antiparticle 02 September 2016 - Add a guideAnti-UpSee an Anti-Up Quark 02 September 2016 - Add a guideUpSee an Up Quark 02 September 2016 - Add a guideBam!Witness 100 Annihilations 02 September 2016 - Add a guideBoom!Witness 10 Annihilations 02 September 2016 - Add a guideLearnedCollect 10 Data 02 September 2016 - Add a guideAnti-DownSee an Anti-Down Quark 02 September 2016 - Add a guideDownYou are a Down Quark 02 September 2016 - Add a guide