Young Detectives: Undersea Achievements Here is the full list of all 6 Young Detectives: Undersea 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 Rookie DetectiveAwarded for completing Level 5 Junior InvestigatorAwarded for completing Level 10 Senior SleuthAwarded for completing Level 15 Expert ExaminerAwarded for completing Level 20 Master DetectiveAwarded for completing Level 25 Legendary InspectorAwarded for completing all levels