Replace mission GUI box text hack + If both teams die, they both lose

Subsurface/Source/GameSession/GameModes/GameMode.cs

@@ -75,6 +75,8 @@ namespace Barotrauma
             isRunning = true;
         }
 
+        public virtual void MsgBox() { }
+
         public virtual void Update(float deltaTime)
         {
             //if (!isRunning) return;

Subsurface/Source/GameSession/GameModes/MissionMode.cs

@@ -29,10 +29,8 @@ namespace Barotrauma
             mission = Mission.LoadRandom(locations, rand, param as string);
         }
 
-        public override void Start()
+        public override void MsgBox()
         {
-            base.Start();
-
             if (mission == null) return;
 
             var missionMsg = new GUIMessageBox(mission.Name, mission.Description, 400, 400);

Subsurface/Source/GameSession/GameSession.cs

@@ -170,6 +170,8 @@ namespace Barotrauma
             
             TaskManager.StartShift(level);
 
+            if (gameMode != null) gameMode.MsgBox();
+
             GameMain.GameScreen.ColorFade(Color.Black, Color.TransparentBlack, 5.0f);
             SoundPlayer.SwitchMusic();
         }