diff --git a/src/main/kotlin/GameBoard.kt b/src/main/kotlin/GameBoard.kt
index 01dec4e..356b613 100644
--- a/src/main/kotlin/GameBoard.kt
+++ b/src/main/kotlin/GameBoard.kt
@@ -23,16 +23,14 @@ fun GameBoard(
     onDisableReviewMode: () -> Unit,
     onPointsChange: (Player, Long) -> Unit,
     onQuestionDone: (QuestionData, QuestionResolution) -> Unit,
+    onExit: () -> Unit
 ) {
     Column(modifier = Modifier.fillMaxHeight().fillMaxWidth()) {
-        Row(
-            modifier = Modifier.fillMaxHeight(0.2f)
-        ) {
-            GameHeader(
-                title = gameData.title,
-                color = gameData.headerColor
-            )
-        }
+        GameHeader(
+            title = gameData.title,
+            color = gameData.headerColor,
+            onExit = onExit
+        )
         Spacer(modifier = Modifier.height(5.dp))
         Row(
             modifier = Modifier.fillMaxHeight()
diff --git a/src/main/kotlin/Main.kt b/src/main/kotlin/Main.kt
index 0e3176d..68f24ec 100644
--- a/src/main/kotlin/Main.kt
+++ b/src/main/kotlin/Main.kt
@@ -112,8 +112,12 @@ val gameData = Game(
 @OptIn(ExperimentalSerializationApi::class)
 val gameJson = Json.encodeToString(gameData)
 
+fun main() {
+    graphicalApplication()
+}
+
 @OptIn(ExperimentalSerializationApi::class)
-fun main() = application {
+fun graphicalApplication() = application {
     // TODO: Read Game from JSON
     println(gameJson)
     Window(
@@ -164,7 +168,8 @@ fun main() = application {
                     },
                     onQuestionDone = { question, questionResolution ->
                         questionsResolved[question] = questionResolution
-                    }
+                    },
+                    onExit = ::exitApplication
                 )
             } else {
                 EndCard(
diff --git a/src/main/kotlin/components/GameHeader.kt b/src/main/kotlin/components/GameHeader.kt
index 8dca44e..6bfc4ec 100644
--- a/src/main/kotlin/components/GameHeader.kt
+++ b/src/main/kotlin/components/GameHeader.kt
@@ -1,8 +1,8 @@
 package components
 
-import androidx.compose.foundation.layout.Arrangement
-import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.*
+import androidx.compose.material.Button
+import androidx.compose.material.ButtonDefaults
 import androidx.compose.material.Surface
 import androidx.compose.material.Text
 import androidx.compose.runtime.Composable
@@ -15,16 +15,32 @@ import data.toColor
 
 @Suppress("FunctionName")
 @Composable
-fun GameHeader(title: String, color: ColorData?) {
-    Surface(
-        color = color.toColor(),
-        modifier = Modifier.fillMaxSize(1f)
+fun GameHeader(title: String, color: ColorData?, onExit: () -> Unit) {
+    Row(
+        modifier = Modifier.fillMaxHeight(0.2f)
+            .fillMaxWidth()
     ) {
-        Column(
-            verticalArrangement = Arrangement.Center,
-            horizontalAlignment = Alignment.CenterHorizontally
+        Surface(
+            color = color.toColor(),
+            modifier = Modifier.fillMaxSize(1f)
         ) {
-            Text(text = title, color = Color.LightGray, fontSize = 8.em)
+            Column(
+                verticalArrangement = Arrangement.Center,
+                horizontalAlignment = Alignment.CenterHorizontally,
+                modifier = Modifier.fillMaxWidth(0.9f)
+                    .fillMaxHeight()
+            ) {
+                Text(text = title, color = Color.LightGray, fontSize = 8.em)
+            }
+            Column(
+                verticalArrangement = Arrangement.Top,
+                horizontalAlignment = Alignment.End,
+                modifier = Modifier.fillMaxSize()
+            ) {
+                Button(onClick = onExit, colors = ButtonDefaults.buttonColors(Color.Red)) {
+                    Text(text = "X", color = Color.LightGray)
+                }
+            }
         }
     }
 }
diff --git a/src/main/kotlin/components/questiondialog/QuestionDialog.kt b/src/main/kotlin/components/questiondialog/QuestionDialog.kt
index ef547d0..220acf6 100644
--- a/src/main/kotlin/components/questiondialog/QuestionDialog.kt
+++ b/src/main/kotlin/components/questiondialog/QuestionDialog.kt
@@ -30,7 +30,8 @@ fun QuestionDialogue(
         onDismissRequest = { },
         buttons = {
             QuestionDialogButtons(
-                topic = topic,
+                topic = topic.topic,
+                topicColor = topic.color,
                 questionData = questionData,
                 players = players,
                 onPointsChange = onPointsChange,
diff --git a/src/main/kotlin/components/questiondialog/QuestionDialogContent.kt b/src/main/kotlin/components/questiondialog/QuestionDialogContent.kt
index bcaac9b..b89d7b1 100644
--- a/src/main/kotlin/components/questiondialog/QuestionDialogContent.kt
+++ b/src/main/kotlin/components/questiondialog/QuestionDialogContent.kt
@@ -13,15 +13,13 @@ import components.questiondialog.assets.HintText
 import components.questiondialog.buttons.DismissButton
 import components.questiondialog.player.DeferredDoubleQuestionDialogPlayer
 import components.questiondialog.player.QuestionDialogPlayer
-import data.Player
-import data.QuestionData
-import data.Topic
-import data.toColor
+import data.*
 
 @Suppress("FunctionName")
 @Composable
 fun QuestionDialogButtons(
-    topic: Topic,
+    topic: String,
+    topicColor: ColorData?,
     questionData: QuestionData,
     players: List<Player>,
     onPointsChange: (Player, Long) -> Unit,
@@ -34,7 +32,7 @@ fun QuestionDialogButtons(
     Box(
         modifier = Modifier.fillMaxHeight().fillMaxWidth()
             .border(
-                border = BorderStroke(150.dp, topic.color.toColor())
+                border = BorderStroke(150.dp, topicColor.toColor())
             )
             .padding(150.dp),
         contentAlignment = Alignment.Center,
@@ -45,7 +43,7 @@ fun QuestionDialogButtons(
             verticalArrangement = Arrangement.SpaceAround
         ) {
             HintText(
-                topicName = topic.topic,
+                topicName = topic,
                 points = questionData.actualUsagePoints(secondRoundDouble),
                 deferredDouble = questionData.isDeferredDouble,
                 hint = questionData.hint