increase room diversity, improve ui

Assets/Engine/Runtime/Measurements/Measure.cs

@@ -17,6 +17,7 @@ namespace EscapeRoomEngine.Engine.Runtime.Measurements
         /// Whether to store the taken measurements in the database. Disable for test runs.
         /// </summary>
         public static bool Store { get; set; }
+        public static bool PreferLessPlayed => GameControl.Instance.preferLessPlayed.Value;
         
         private static Dictionary<int, PuzzleMeasurement> _runningMeasurements;
         private static Session _currentSession;
@@ -52,6 +53,12 @@ namespace EscapeRoomEngine.Engine.Runtime.Measurements
         /// <remarks>This only counts puzzles already placed in a room.</remarks>
         public static float EstimateTime(Room room) =>
             room.puzzles.Sum(puzzle => EstimateTime((PuzzleModuleDescription)puzzle.description));
+        
+        /// <summary>
+        /// How often a specific puzzle has been played before.
+        /// </summary>
+        public static int TimesPlayed(PuzzleModuleDescription puzzle) =>
+            PuzzleStorage.Instance.LoadOrNew(puzzle).Measurements.Count;
 
         /// <summary>
         /// The estimated percentile the current player is placed in.