diff --git a/src/core/DialogChooseLevel.qml b/src/core/DialogChooseLevel.qml
--- a/src/core/DialogChooseLevel.qml
+++ b/src/core/DialogChooseLevel.qml
@@ -58,7 +58,7 @@
     property var difficultiesModel: []
     property QtObject currentActivity
 
-    property string chosenLevel
+    property var chosenLevels: []
 
     property var activityData
     onActivityDataChanged: loadData()
@@ -108,9 +108,17 @@
     border.color: "black"
     border.width: 1
 
+    property bool inMenu: false
+
+    onVisibleChanged: {
+        if(visible) {
+            configLoader.initializePanel()
+        }
+    }
+
     function initialize() {
         // dataset information
-        chosenLevel = currentActivity.currentLevel
+        chosenLevels = currentActivity.currentLevels
         difficultiesModel = []
         if(currentActivity.levels.length == 0) {
             print("no levels to load for", activityName)
@@ -145,7 +153,7 @@
         }
 
         onLoaded: {
-            difficultiesModel.push({"level": currentFile.level, "objective": item.objective, "difficulty": item.difficulty})
+            difficultiesModel.push({"level": currentFile.level, "objective": item.objective, "difficulty": item.difficulty, "selectedInConfig": chosenLevels.includes(currentFile.level)})
             if(dataFiles.length != 0) {
                 start()
             }
@@ -204,7 +212,7 @@
             // Header buttons
             Row {
                 id: datasetOptionsRow
-                height: datasetVisibleButton.height
+                height: dialogChooseLevel.height / 12
                 width: parent.width
                 spacing: parent.width / 4
                 anchors.leftMargin: parent.width / 8
@@ -212,6 +220,8 @@
                     id: datasetVisibleButton
                     text: qsTr("Dataset")
                     enabled: hasDataset
+                    height: parent.height
+                    opacity: enabled ? 1 : 0
                     width: parent.width / 3
                     property bool selected: true
                     style: GCButtonStyle {
@@ -223,6 +233,8 @@
                     id: optionsVisibleButton
                     text: qsTr("Options")
                     enabled: hasConfig
+                    height: parent.height
+                    opacity: enabled ? 1 : 0
                     width: parent.width / 3
                     style: GCButtonStyle {
                         selected: !datasetVisibleButton.selected
@@ -257,13 +269,22 @@
                         active: optionsVisibleButton.enabled
                         source: active ? "qrc:/gcompris/src/activities/"+activityName+"/ActivityConfig.qml" : ""
 
-                        onItemChanged: {
+                        // Load configuration at start of activity
+                        // in the menu, it's done when the visibility property
+                        // of the dialog changes
+                        onItemChanged: if(!inMenu) { initializePanel(); }
+
+                        function initializePanel() {
                             if(item) {
-                                item.background = dialogChooseLevel
-                                dialogChooseLevel.saveData.connect(save)
+                                // only connect once the signal to save data
+                                if(item.background !== dialogChooseLevel) {
+                                    item.background = dialogChooseLevel
+                                    dialogChooseLevel.saveData.connect(save)
+                                }
                                 getInitialConfiguration()
                             }
                         }
+
                         function getInitialConfiguration() {
                             activityData = Qt.binding(function() { return item.dataToSave })
                             if(item) {
@@ -281,9 +302,6 @@
                         visible: datasetVisibleButton.selected
                         spacing: 10
 
-                        ExclusiveGroup {
-                            id: levelsGroup
-                        }
                         Repeater {
                             id: difficultiesRepeater
                             delegate: Row {
@@ -299,9 +317,20 @@
                                     id: objective
                                     width: dialogChooseLevel.width - 30 - difficultyIcon.width - 2 * flick.anchors.margins
                                     text: modelData.objective
-                                    exclusiveGroup: levelsGroup
-                                    checked: chosenLevel === modelData.level
-                                    onClicked: chosenLevel = modelData.level
+                                    // to be fixed by all last used levels
+                                    checked: modelData.selectedInConfig
+                                    onClicked: {
+                                        if(checked) {
+                                            chosenLevels.push(modelData.level)
+                                        }
+                                        else if(chosenLevels.length > 1) {
+                                            chosenLevels.splice(chosenLevels.indexOf(modelData.level), 1)
+                                        }
+                                        else {
+                                            // At least one must be selected
+                                            checked = true;
+                                        }
+                                    }
                                 }                            
                             }
                         }
@@ -323,12 +352,13 @@
             // Footer buttons
             Row {
                 id: saveAndPlayRow
-                height: cancelButton.height
+                height: dialogChooseLevel.height / 12
                 width: parent.width
                 spacing: parent.width / 16
                 Button {
                     id: cancelButton
                     text: qsTr("Cancel")
+                    height: parent.height
                     width: parent.width / 4
                     property bool selected: true
                     style: GCButtonStyle {}
@@ -337,17 +367,21 @@
                 Button {
                     id: saveButton
                     text: qsTr("Save")
+                    height: parent.height
                     width: parent.width / 4
                     property bool selected: true
                     style: GCButtonStyle { }
                     onClicked: {
                         saveData();
+                        close();
                     }
                 }
                 Button {
                     id: saveAndStartButton
                     text: qsTr("Save and start")
+                    height: parent.height
                     width: parent.width / 3
+                    visible: inMenu === true
                     style: GCButtonStyle { }
                     onClicked: {
                         saveData();
@@ -371,4 +405,4 @@
     File {
         id: activityConfigFile
     }
-}
+}
\ No newline at end of file