Boson X Achievements Here is the full list of all 18 Boson X 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 What are achievement flags? Click to find outApply Discover GeonDiscover the Geon particle Discover AcceleronDiscover the Acceleron particle Discover RadionDiscover the Radio particle Discover GravitonDiscover the Graviton particle Discover Y BosonDiscover the Y Boson particle Discover X BosonDiscover the X Boson particle Discover Dark GeonDiscover the Dark Geon particle Discover Dark AcceleronDiscover the Dark Acceleron particle Discover Dark RadionDiscover the Dark Radion particle Discover Dark GravitonDiscover the Dark Graviton particle Discover Dark Y BosonDiscover the Dark Y Boson particle Discover Dark X BosonDiscover the Dark X Boson particle Discover Anti GeonDiscover the Anti Geon particle Discover Anti AcceleronDiscover the Anti Acceleron particle Discover Anti RadionDiscover the Anti Radion particle Discover Anti GravitonDiscover the Anti Graviton particle Discover Anti Y BosonDiscover the Anti Y Boson particle Discover Anti X BosonDiscover the Anti X Boson particle