Index: gui/gamesetup/gamesetup.js
===================================================================
--- gui/gamesetup/gamesetup.js
+++ gui/gamesetup/gamesetup.js
@@ -244,6 +244,16 @@
 var g_LastViewedAIPlayer = -1;
 
 /**
+ * Time count before gamestart happen
+ */
+var g_StartTimerCount = 10;
+
+/**
+ * Timer object for gamestart
+ */
+var g_StartTimer = null;
+
+/**
  * Initializes some globals without touching the GUI.
  *
  * @param {Object} attribs - context data sent by the lobby / mainmenu
@@ -1280,6 +1290,36 @@
 	updateGameAttributes();
 }
 
+function launchGameToggle()
+{
+       if (!g_IsNetworked)
+       {
+               launchGame();
+               return;
+       }
+       if (g_StartTimer != null)
+       {
+               clearTimeout(g_StartTimer);
+               g_StartTimer = null;
+               Engine.GetGUIObjectByName("startGame").caption = "Start game!";
+               Engine.SendNetworkChat("Game start stopped");
+               g_StartTimerCount = 10;
+               return;
+       }
+       launchGameTimer();
+}
+
+function launchGameTimer()
+{
+       g_StartTimerCount -= 1;
+       Engine.GetGUIObjectByName("startGame").caption = "Stop timer!"; // " + g_StartTimerCount + "";
+       Engine.SendNetworkChat("Game starts in " + g_StartTimerCount + "");
+       if (g_StartTimerCount < 1)
+               launchGame();
+       else
+               g_StartTimer = setTimeout(launchGameTimer, 1000);
+}
+
 function launchGame()
 {
 	if (!g_IsController)
Index: gui/gamesetup/gamesetup.xml
===================================================================
--- gui/gamesetup/gamesetup.xml
+++ gui/gamesetup/gamesetup.xml
@@ -274,7 +274,7 @@
 				<translatableAttribute id="tooltip">Start a new game with the current settings.</translatableAttribute>
 				<action on="Press">
 					if (g_IsController)
-						launchGame();
+						launchGameToggle();
 					else
 						toggleReady();
 				</action>