Cats Hidden Timeline Achievements Here is the full list of all 10 Cats Hidden Timeline 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 First StepsTutorial Completed In a TreeCat Walking in the Forest Beginner looking for catsFind 50 cats Lens of TruthUse Tip Cat finderFind 100 cats WhiteoutProtective coloration Professional cat finderFind 150 cats Watch CollectorFind 10 watches PurrfectionistFind all cats The Cat in the RyeCat that move at a moment's notice