diff --git a/Subsurface/Source/Networking/GameClient.cs b/Subsurface/Source/Networking/GameClient.cs
index fc72b5305..9426bdccd 100644
--- a/Subsurface/Source/Networking/GameClient.cs
+++ b/Subsurface/Source/Networking/GameClient.cs
@@ -557,6 +557,15 @@ namespace Barotrauma.Networking
                             case ServerPacketHeader.STARTGAME:
                                 startGameCoroutine = GameMain.ShowLoading(StartGame(inc), false);
                                 break;
+                            case ServerPacketHeader.ENDGAME:
+                                string endMessage = inc.ReadString();
+                                bool missionSuccessful = inc.ReadBoolean();
+                                if (missionSuccessful && GameMain.GameSession.Mission != null)
+                                {
+                                    GameMain.GameSession.Mission.Completed = true;
+                                }
+                                CoroutineManager.StartCoroutine(EndGame(endMessage));
+                                break;
                         }
                         break;
                 }
@@ -634,6 +643,41 @@ namespace Barotrauma.Networking
             yield return CoroutineStatus.Success;
         }
 
+        public IEnumerable<object> EndGame(string endMessage)
+        {
+            if (!gameStarted) yield return CoroutineStatus.Success;
+
+            if (GameMain.GameSession != null) GameMain.GameSession.gameMode.End(endMessage);
+
+            gameStarted = false;
+            Character.Controlled = null;
+            GameMain.GameScreen.Cam.TargetPos = Vector2.Zero;
+            GameMain.LightManager.LosEnabled = false;
+            respawnManager = null;
+
+            float endPreviewLength = 10.0f;
+            if (Screen.Selected == GameMain.GameScreen)
+            {
+                new TransitionCinematic(Submarine.MainSub, GameMain.GameScreen.Cam, endPreviewLength);
+                float secondsLeft = endPreviewLength;
+                do
+                {
+                    secondsLeft -= CoroutineManager.UnscaledDeltaTime;
+                    yield return CoroutineStatus.Running;
+                } while (secondsLeft > 0.0f);
+            }
+
+            Submarine.Unload();
+            GameMain.NetLobbyScreen.Select();
+            myCharacter = null;
+            foreach (Client c in otherClients)
+            {
+                c.inGame = false;
+                c.Character = null;
+            }
+            yield return CoroutineStatus.Success;
+        }
+
         private void ReadLobbyUpdate(NetIncomingMessage inc)
         {
             ServerNetObject objHeader;
diff --git a/Subsurface/Source/Networking/GameServer.cs b/Subsurface/Source/Networking/GameServer.cs
index 6e9689143..3508a5df5 100644
--- a/Subsurface/Source/Networking/GameServer.cs
+++ b/Subsurface/Source/Networking/GameServer.cs
@@ -1065,6 +1065,15 @@ namespace Barotrauma.Networking
 
             if (connectedClients.Count > 0)
             {
+                NetOutgoingMessage msg = server.CreateMessage();
+                msg.Write((byte)ServerPacketHeader.ENDGAME);
+                msg.Write(endMessage);
+                msg.Write(mission != null && mission.Completed);
+                if (server.ConnectionsCount > 0)
+                {
+                    server.SendMessage(msg, server.Connections, NetDeliveryMethod.ReliableOrdered, 0);
+                }
+
                 foreach (Client client in connectedClients)
                 {
                     client.Character = null;
diff --git a/Subsurface/Source/Networking/NetworkMember.cs b/Subsurface/Source/Networking/NetworkMember.cs
index 87752201c..c27335465 100644
--- a/Subsurface/Source/Networking/NetworkMember.cs
+++ b/Subsurface/Source/Networking/NetworkMember.cs
@@ -37,7 +37,8 @@ namespace Barotrauma.Networking
         UPDATE_INGAME,      //update state ingame (character input and chat messages)
 
         QUERY_STARTGAME,    //ask the clients whether they're ready to start
-        STARTGAME           //start a new round
+        STARTGAME,          //start a new round
+        ENDGAME
     }
     enum ServerNetObject
     {