diff --git a/src/main/java/inf112/fiasko/roborally/gamewrapper/screens/LobbyScreen.java b/src/main/java/inf112/fiasko/roborally/gamewrapper/screens/LobbyScreen.java
index 4f6affe..01d0835 100644
--- a/src/main/java/inf112/fiasko/roborally/gamewrapper/screens/LobbyScreen.java
+++ b/src/main/java/inf112/fiasko/roborally/gamewrapper/screens/LobbyScreen.java
@@ -47,6 +47,7 @@ public class LobbyScreen extends AbstractScreen {
         startGameButton.addListener(new InputListener() {
             @Override
             public boolean touchDown(InputEvent event, float x, float y, int pointer, int button) {
+                roboRallyWrapper.server.startGame();
                 Map<Connection, String> playernames = roboRallyWrapper.server.getPlayerNames();
                 List<Player> playerlist = IOUtil.playerGenerator(playernames,
                         roboRallyWrapper.server.getRobotID());
diff --git a/src/main/java/inf112/fiasko/roborally/networking/RoboRallyServer.java b/src/main/java/inf112/fiasko/roborally/networking/RoboRallyServer.java
index d13c68c..4cd3a25 100644
--- a/src/main/java/inf112/fiasko/roborally/networking/RoboRallyServer.java
+++ b/src/main/java/inf112/fiasko/roborally/networking/RoboRallyServer.java
@@ -66,6 +66,13 @@ public class RoboRallyServer {
         server.sendToAllTCP(object);
     }
 
+    /**
+     * Does necessary cleanup of dangling connections before game is started
+     */
+    public void startGame() {
+        listener.startGame();
+    }
+
     /**
      * Sends an object to a specific client
      *
diff --git a/src/main/java/inf112/fiasko/roborally/networking/RoboRallyServerListener.java b/src/main/java/inf112/fiasko/roborally/networking/RoboRallyServerListener.java
index 88ba4ba..a6a8182 100644
--- a/src/main/java/inf112/fiasko/roborally/networking/RoboRallyServerListener.java
+++ b/src/main/java/inf112/fiasko/roborally/networking/RoboRallyServerListener.java
@@ -58,6 +58,25 @@ class RoboRallyServerListener extends Listener {
         }
     }
 
+    /**
+     * Does necessary cleanup of dangling connections before game is started
+     *
+     * <p>Disconnects all connections which have not yet sent a player name.</p>
+     */
+    public void startGame() {
+        List<Connection> connectionsToDrop = new ArrayList<>();
+        for (Connection connection : clients.keySet()) {
+            if (playerNames.get(connection) == null) {
+                connectionsToDrop.add(connection);
+            }
+        }
+        for (Connection connection : connectionsToDrop) {
+            clients.remove(connection);
+            deadPlayers.add(connection);
+            connection.close();
+        }
+    }
+
     /**
      * Gets a map between connections and their player name
      *
@@ -110,9 +129,7 @@ class RoboRallyServerListener extends Listener {
      */
     private void receiveContinuePowerDown(Connection connection, Boolean bool) {
         stayInPowerDown.put(connection, bool);
-        System.out.println("fuuuuuuuuuuuuuuuuu");
         if (receivedDataFromAllConnections(stayInPowerDown)) {
-            System.out.println("fuuuuuuuuuuuuuuuuasdasdasdasdasdasdasdu");
             Map<String, Boolean> powerDowns = new HashMap<>();
             for (Connection connected : stayInPowerDown.keySet()) {
                 powerDowns.put(playerNames.get(connected), stayInPowerDown.get(connected));
@@ -151,10 +168,7 @@ class RoboRallyServerListener extends Listener {
      */
     private <K> boolean receivedDataFromAllConnections(Map<Connection, K> data) {
         Set<Connection> connections = clients.keySet();
-        System.out.println("keys "+data.keySet());
-        System.out.println(connections);
         connections.removeAll(deadPlayers);
-        System.out.println(connections);
         return data.keySet().containsAll(connections);
     }