diff --git a/Source/Assets/Parameters_06_Complex.txt.meta b/Source/Assets/Parameters_06_Complex.txt.meta
new file mode 100644
index 0000000..8c80922
--- /dev/null
+++ b/Source/Assets/Parameters_06_Complex.txt.meta
@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: 7ff6e399ac48c474cb682bbba40a7aa5
+TextScriptImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Source/Assets/Resources/BillingMode.json b/Source/Assets/Resources/BillingMode.json
new file mode 100644
index 0000000..6f4bfb7
--- /dev/null
+++ b/Source/Assets/Resources/BillingMode.json
@@ -0,0 +1 @@
+{"androidStore":"GooglePlay"}
\ No newline at end of file
diff --git a/Source/Assets/Resources/BillingMode.json.meta b/Source/Assets/Resources/BillingMode.json.meta
new file mode 100644
index 0000000..584214f
--- /dev/null
+++ b/Source/Assets/Resources/BillingMode.json.meta
@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: 31763167c7a457c43b1c6bda76f9dd43
+TextScriptImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Source/Assets/Resources/Grains/Realistic.prefab b/Source/Assets/Resources/Grains/Realistic.prefab
index a07cd76..61b0454 100644
Binary files a/Source/Assets/Resources/Grains/Realistic.prefab and b/Source/Assets/Resources/Grains/Realistic.prefab differ
diff --git a/Source/Assets/Resources/Grains/Sphere.prefab b/Source/Assets/Resources/Grains/Sphere.prefab
index 9223d04..9a09668 100644
Binary files a/Source/Assets/Resources/Grains/Sphere.prefab and b/Source/Assets/Resources/Grains/Sphere.prefab differ
diff --git a/Source/Assets/Scenes/Main3D.unity b/Source/Assets/Scenes/Main3D.unity
index 0fff3e0..a0d666b 100644
Binary files a/Source/Assets/Scenes/Main3D.unity and b/Source/Assets/Scenes/Main3D.unity differ
diff --git a/Source/Assets/Scripts/DataSaver.cs b/Source/Assets/Scripts/DataSaver.cs
index da259cd..d161294 100644
--- a/Source/Assets/Scripts/DataSaver.cs
+++ b/Source/Assets/Scripts/DataSaver.cs
@@ -10,6 +10,8 @@ public static void saveLocationData(Rock rock, string saveFolder)
 
         var csv = new System.Text.StringBuilder();
         csv.AppendLine("Name PositionX PositionY PositionZ RotationEu1 RotationEu2 RotationEu3 ScaleX ScaleY ScaleZ Mass Density Volume SurfaceArea");
+        System.Threading.Thread.CurrentThread.CurrentCulture = System.Globalization.CultureInfo.InvariantCulture;
+
 
         for (int bedNumber = 0; bedNumber < nBeds; bedNumber++)
         {
diff --git a/Source/Assets/Scripts/Distribution.cs b/Source/Assets/Scripts/Distribution.cs
index 9ae0920..c3453a6 100644
--- a/Source/Assets/Scripts/Distribution.cs
+++ b/Source/Assets/Scripts/Distribution.cs
@@ -1,5 +1,6 @@
 using System.Collections;
 using UnityEngine;
+using System.Globalization;
 
 public class Distribution{
 
@@ -86,8 +87,8 @@ public Distribution(float[,] pdfData)
                 if (textData[i][0] != '-')
                 {
                     string[] splitText = textData[i].Split(',');
-                    readData[i, 0] = float.Parse(splitText[0].Trim());
-                    readData[i, 1] = float.Parse(splitText[1].Trim());
+                    readData[i, 0] = float.Parse(splitText[0].Trim(), CultureInfo.InvariantCulture);
+                    readData[i, 1] = float.Parse(splitText[1].Trim(), CultureInfo.InvariantCulture);
                 }
             }
         }
diff --git a/Source/Assets/Scripts/ParameterGroup.cs b/Source/Assets/Scripts/ParameterGroup.cs
index 404777f..3bc3634 100644
--- a/Source/Assets/Scripts/ParameterGroup.cs
+++ b/Source/Assets/Scripts/ParameterGroup.cs
@@ -1,5 +1,6 @@
 using UnityEngine;
 using System.Collections;
+using System.Globalization;
 
 public class ParameterGroup
 {
@@ -81,14 +82,14 @@ public string getString(string parameterNameString) {
     //===================================================================
     public float getFloat(string parameterNameString) {
         int results = System.Array.FindIndex(parameterName, s => s.Equals(parameterNameString));
-        return (float.Parse(parameterValue[results]));
+        return (float.Parse(parameterValue[results], CultureInfo.InvariantCulture));
     }
     //===================================================================
 
     //===================================================================
     public int getInteger(string parameterNameString) {
         int results = System.Array.FindIndex(parameterName, s => s.Equals(parameterNameString));
-        return (int.Parse(parameterValue[results]));
+        return (int.Parse(parameterValue[results], CultureInfo.InvariantCulture));
     }
     //===================================================================
 
@@ -121,7 +122,7 @@ public Vector2 getVector2(string parameterNameString)
         string[] resultsString = parameterValue[results].Split(' ');
         resultsString[0] = resultsString[0].Remove(0, 1);
         resultsString[1] = resultsString[1].Remove(resultsString[1].Length - 1);
-        Vector2 resultValue = new Vector2(float.Parse(resultsString[0]), float.Parse(resultsString[1]));
+        Vector2 resultValue = new Vector2(float.Parse(resultsString[0], CultureInfo.InvariantCulture), float.Parse(resultsString[1], CultureInfo.InvariantCulture));
         return resultValue;
     }
 
@@ -140,13 +141,13 @@ public Color getColor(string parameterNameString)
         resultsString[0] = resultsString[0].Remove(0, 1);
         resultsString[3] = resultsString[3].Remove(resultsString[3].Length - 1);
 
-        float r = float.Parse(resultsString[0])/ 255f;
+        float r = float.Parse(resultsString[0], CultureInfo.InvariantCulture) / 255f;
 
-        float g = float.Parse(resultsString[1])/ 255f;
+        float g = float.Parse(resultsString[1], CultureInfo.InvariantCulture) / 255f;
 
-        float b = float.Parse(resultsString[2])/ 255f;
+        float b = float.Parse(resultsString[2], CultureInfo.InvariantCulture) / 255f;
 
-        float a = float.Parse(resultsString[3])/ 255f;
+        float a = float.Parse(resultsString[3], CultureInfo.InvariantCulture) / 255f;
 
         Color color = new Color(r,g,b,a);
         return color;
@@ -165,11 +166,11 @@ public Vector2 GetRange(string parameterNameString)
         {
             resultsString[0] = resultsString[0].Remove(0, 1);
             resultsString[1] = resultsString[1].Remove(resultsString[1].Length - 1);
-            resultValue = new Vector3(float.Parse(resultsString[0]), float.Parse(resultsString[1]));
+            resultValue = new Vector3(float.Parse(resultsString[0], CultureInfo.InvariantCulture), float.Parse(resultsString[1], CultureInfo.InvariantCulture));
         }
         else
         {
-            resultValue = new Vector3(float.Parse(resultsString[0]), float.Parse(resultsString[0]));
+            resultValue = new Vector3(float.Parse(resultsString[0], CultureInfo.InvariantCulture), float.Parse(resultsString[0], CultureInfo.InvariantCulture));
         }
 
         return resultValue;
diff --git a/Source/Assets/Scripts/StlExporter.cs b/Source/Assets/Scripts/StlExporter.cs
index a978dfe..d8e83c2 100644
--- a/Source/Assets/Scripts/StlExporter.cs
+++ b/Source/Assets/Scripts/StlExporter.cs
@@ -11,6 +11,9 @@ public static string MeshToString(GameObject[] gameObjectsToSave, Vector3 refere
 
         StringBuilder sb = new StringBuilder();
         sb.Append("solid Grains" + "\n");
+        System.Threading.Thread.CurrentThread.CurrentCulture = System.Globalization.CultureInfo.InvariantCulture;
+
+
 
         for (int objectNumber = 0; objectNumber < gameObjectsToSave.Length; objectNumber++)
         {
diff --git a/Source/Packages/manifest.json b/Source/Packages/manifest.json
index 2e01617..fdf7f2f 100644
--- a/Source/Packages/manifest.json
+++ b/Source/Packages/manifest.json
@@ -2,18 +2,18 @@
   "dependencies": {
     "com.unity.2d.sprite": "1.0.0",
     "com.unity.2d.tilemap": "1.0.0",
-    "com.unity.ads": "3.6.1",
+    "com.unity.ads": "3.7.5",
     "com.unity.analytics": "3.5.3",
-    "com.unity.collab-proxy": "1.3.9",
+    "com.unity.collab-proxy": "1.7.1",
     "com.unity.ide.rider": "2.0.7",
-    "com.unity.ide.visualstudio": "2.0.5",
+    "com.unity.ide.visualstudio": "2.0.11",
     "com.unity.ide.vscode": "1.2.3",
-    "com.unity.purchasing": "2.2.2",
-    "com.unity.test-framework": "1.1.22",
-    "com.unity.textmeshpro": "3.0.1",
-    "com.unity.timeline": "1.4.6",
+    "com.unity.purchasing": "3.2.2",
+    "com.unity.test-framework": "1.1.27",
+    "com.unity.textmeshpro": "3.0.6",
+    "com.unity.timeline": "1.4.8",
     "com.unity.ugui": "1.0.0",
-    "com.unity.xr.legacyinputhelpers": "2.1.7",
+    "com.unity.xr.legacyinputhelpers": "2.1.8",
     "com.unity.modules.ai": "1.0.0",
     "com.unity.modules.androidjni": "1.0.0",
     "com.unity.modules.animation": "1.0.0",
diff --git a/Source/Packages/packages-lock.json b/Source/Packages/packages-lock.json
index 6bc642d..ab5f02d 100644
--- a/Source/Packages/packages-lock.json
+++ b/Source/Packages/packages-lock.json
@@ -13,7 +13,7 @@
       "dependencies": {}
     },
     "com.unity.ads": {
-      "version": "3.6.1",
+      "version": "3.7.5",
       "depth": 0,
       "source": "registry",
       "dependencies": {
@@ -31,10 +31,12 @@
       "url": "https://packages.unity.com"
     },
     "com.unity.collab-proxy": {
-      "version": "1.3.9",
+      "version": "1.7.1",
       "depth": 0,
       "source": "registry",
-      "dependencies": {},
+      "dependencies": {
+        "com.unity.nuget.newtonsoft-json": "2.0.0"
+      },
       "url": "https://packages.unity.com"
     },
     "com.unity.ext.nunit": {
@@ -54,10 +56,12 @@
       "url": "https://packages.unity.com"
     },
     "com.unity.ide.visualstudio": {
-      "version": "2.0.5",
+      "version": "2.0.11",
       "depth": 0,
       "source": "registry",
-      "dependencies": {},
+      "dependencies": {
+        "com.unity.test-framework": "1.1.9"
+      },
       "url": "https://packages.unity.com"
     },
     "com.unity.ide.vscode": {
@@ -67,17 +71,28 @@
       "dependencies": {},
       "url": "https://packages.unity.com"
     },
+    "com.unity.nuget.newtonsoft-json": {
+      "version": "2.0.0",
+      "depth": 1,
+      "source": "registry",
+      "dependencies": {},
+      "url": "https://packages.unity.com"
+    },
     "com.unity.purchasing": {
-      "version": "2.2.2",
+      "version": "3.2.2",
       "depth": 0,
       "source": "registry",
       "dependencies": {
-        "com.unity.ugui": "1.0.0"
+        "com.unity.ugui": "1.0.0",
+        "com.unity.modules.unityanalytics": "1.0.0",
+        "com.unity.modules.unitywebrequest": "1.0.0",
+        "com.unity.modules.jsonserialize": "1.0.0",
+        "com.unity.modules.androidjni": "1.0.0"
       },
       "url": "https://packages.unity.com"
     },
     "com.unity.test-framework": {
-      "version": "1.1.22",
+      "version": "1.1.27",
       "depth": 0,
       "source": "registry",
       "dependencies": {
@@ -88,7 +103,7 @@
       "url": "https://packages.unity.com"
     },
     "com.unity.textmeshpro": {
-      "version": "3.0.1",
+      "version": "3.0.6",
       "depth": 0,
       "source": "registry",
       "dependencies": {
@@ -97,7 +112,7 @@
       "url": "https://packages.unity.com"
     },
     "com.unity.timeline": {
-      "version": "1.4.6",
+      "version": "1.4.8",
       "depth": 0,
       "source": "registry",
       "dependencies": {
@@ -118,7 +133,7 @@
       }
     },
     "com.unity.xr.legacyinputhelpers": {
-      "version": "2.1.7",
+      "version": "2.1.8",
       "depth": 0,
       "source": "registry",
       "dependencies": {
diff --git a/Source/ProjectSettings/ProjectSettings.asset b/Source/ProjectSettings/ProjectSettings.asset
index 0bccc52..88c8755 100644
Binary files a/Source/ProjectSettings/ProjectSettings.asset and b/Source/ProjectSettings/ProjectSettings.asset differ
diff --git a/Source/ProjectSettings/ProjectVersion.txt b/Source/ProjectSettings/ProjectVersion.txt
index aa2fd82..2c2c446 100644
--- a/Source/ProjectSettings/ProjectVersion.txt
+++ b/Source/ProjectSettings/ProjectVersion.txt
@@ -1,2 +1,2 @@
-m_EditorVersion: 2020.2.6f1
-m_EditorVersionWithRevision: 2020.2.6f1 (8a2143876886)
+m_EditorVersion: 2020.3.17f1
+m_EditorVersionWithRevision: 2020.3.17f1 (a4537701e4ab)
diff --git a/Source/ProjectSettings/TimeManager.asset b/Source/ProjectSettings/TimeManager.asset
index 1ed3607..d23bfe4 100644
Binary files a/Source/ProjectSettings/TimeManager.asset and b/Source/ProjectSettings/TimeManager.asset differ
diff --git a/Source/ProjectSettings/TimelineSettings.asset b/Source/ProjectSettings/TimelineSettings.asset
new file mode 100644
index 0000000..b4fbdb0
--- /dev/null
+++ b/Source/ProjectSettings/TimelineSettings.asset
@@ -0,0 +1,15 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!114 &1
+MonoBehaviour:
+  m_ObjectHideFlags: 61
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 0}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: a287be6c49135cd4f9b2b8666c39d999, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  assetDefaultFramerate: 60
diff --git a/Source/ProjectSettings/UnityConnectSettings.asset b/Source/ProjectSettings/UnityConnectSettings.asset
index bb4829a..de7a2bf 100644
Binary files a/Source/ProjectSettings/UnityConnectSettings.asset and b/Source/ProjectSettings/UnityConnectSettings.asset differ