*Very* basic test to ensure server and client are same version

Game/Game.cs

@@ -5,6 +5,8 @@
 
 public class Game : Node
 {
+	public const string Version = "0.1-dev"; //Yes it's a string shush
+
 	public static Node RuntimeRoot;
 
 	public static int MaxPlayers = 8;

Net/Net.cs

@@ -37,6 +37,8 @@ public void _PlayerConnected(int Id)
 			Game.StartWorld();
 			PeerList.Add(Self.GetTree().GetNetworkUniqueId());
 			Game.SpawnPlayer(Self.GetTree().GetNetworkUniqueId(), true);
+
+			RpcId(ServerId, nameof(NotifyVersion), Game.Version);
 		}
 		else
 		{
@@ -55,11 +57,30 @@ public void _PlayerConnected(int Id)
 				Scripting.Self.RpcId(Id, nameof(Scripting.NetLoadClientScript), new object[] {Scripting.ClientGmScript});
 			}
 
+			RpcId(ServerId, nameof(NotifyVersion), Game.Version);
 			RpcId(Id, nameof(ReadyToRequestWorld), new object[] {});
 		}
 	}
 
 
+	[Remote]
+	public void NotifyVersion(string Version)
+	{
+		if(GetTree().GetNetworkUniqueId() == ServerId)
+		{
+			//The client sent its version and we are running on the server
+			if(Version != Game.Version)
+			{
+				((NetworkedMultiplayerENet)GetTree().GetNetworkPeer()).DisconnectPeer(GetTree().GetRpcSenderId());
+			}
+		}
+		else
+		{
+			//The server sent its version and we are running on the client
+		}
+	}
+
+
 	public void _PlayerDisconnected(int Id)
 	{
 		Console.Log("Player '" + Id.ToString() + "' disconnected");