diff --git a/QSB/Menus/MenuManager.cs b/QSB/Menus/MenuManager.cs
index 18646a82..9ef1054f 100644
--- a/QSB/Menus/MenuManager.cs
+++ b/QSB/Menus/MenuManager.cs
@@ -156,7 +156,7 @@ namespace QSB.Menus
 		{
 			CreateCommonPopups();
 
-			HostButton = MenuApi.PauseMenu_MakeSimpleButton("MULTIPLAYER (HOST)");
+			HostButton = MenuApi.PauseMenu_MakeSimpleButton("OPEN TO MULTIPLAYER");
 			HostButton.onClick.AddListener(Host);
 
 			DisconnectButton = MenuApi.PauseMenu_MakeSimpleButton("DISCONNECT");
@@ -180,7 +180,7 @@ namespace QSB.Menus
 		{
 			CreateCommonPopups();
 
-			ClientButton = MenuApi.TitleScreen_MakeMenuOpenButton("MULTIPLAYER (CONNECT)", _ClientButtonIndex, PopupMenu);
+			ClientButton = MenuApi.TitleScreen_MakeMenuOpenButton("CONNECT TO MULTIPLAYER", _ClientButtonIndex, PopupMenu);
 
 			DisconnectButton = MenuApi.TitleScreen_MakeSimpleButton("DISCONNECT", _DisconnectIndex);
 			DisconnectButton.onClick.AddListener(Disconnect);
@@ -302,6 +302,7 @@ namespace QSB.Menus
 				KickReason.QSBVersionNotMatching => "Server refused connection as QSB version does not match.",
 				KickReason.GameVersionNotMatching => "Server refused connection as Outer Wilds version does not match.",
 				KickReason.GamePlatformNotMatching => "Server refused connection as Outer Wilds platform does not match. (Steam/Epic)",
+				KickReason.DLCNotMatching => "Server refused connection as DLC installation state does not match.",
 				KickReason.None => "Kicked from server. No reason given.",
 				_ => $"Kicked from server. KickReason:{reason}",
 			};
diff --git a/QSB/Player/Events/PlayerJoinEvent.cs b/QSB/Player/Events/PlayerJoinEvent.cs
index f6f3b239..d0177a15 100644
--- a/QSB/Player/Events/PlayerJoinEvent.cs
+++ b/QSB/Player/Events/PlayerJoinEvent.cs
@@ -19,7 +19,8 @@ namespace QSB.Player.Events
 			PlayerName = name,
 			QSBVersion = QSBCore.QSBVersion,
 			GameVersion = QSBCore.GameVersion,
-			Platform = QSBCore.Platform
+			Platform = QSBCore.Platform,
+			DlcInstalled = QSBCore.DLCInstalled
 		};
 
 		public override void OnReceiveRemote(bool server, PlayerJoinMessage message)
@@ -51,6 +52,15 @@ namespace QSB.Player.Events
 				if (server)
 				{
 					DebugLog.ToConsole($"Error - Client {message.PlayerName} connecting with wrong game platform. (Client:{message.Platform}, Server:{QSBCore.Platform})", MessageType.Error);
+					QSBEventManager.FireEvent(EventNames.QSBPlayerKick, message.AboutId, KickReason.DLCNotMatching);
+				}
+			}
+
+			if (message.DlcInstalled != QSBCore.DLCInstalled)
+			{
+				if (server)
+				{
+					DebugLog.ToConsole($"Error - Client {message.PlayerName} connecting with wrong DLC installation state. (Client:{message.DlcInstalled}, Server:{QSBCore.DLCInstalled})", MessageType.Error);
 					QSBEventManager.FireEvent(EventNames.QSBPlayerKick, message.AboutId, KickReason.GamePlatformNotMatching);
 				}
 			}
@@ -58,7 +68,7 @@ namespace QSB.Player.Events
 			var player = QSBPlayerManager.GetPlayer(message.AboutId);
 			player.Name = message.PlayerName;
 			DebugLog.ToAll($"{player.Name} joined!", MessageType.Info);
-			DebugLog.DebugWrite($"{player.Name} joined. id:{player.PlayerId}, qsbVersion:{message.QSBVersion}, gameVersion:{message.GameVersion}, platform:{message.Platform}", MessageType.Info);
+			DebugLog.DebugWrite($"{player.Name} joined. id:{player.PlayerId}, qsbVersion:{message.QSBVersion}, gameVersion:{message.GameVersion}, platform:{message.Platform}. dlcInstalled:{message.DlcInstalled}", MessageType.Info);
 		}
 
 		public override void OnReceiveLocal(bool server, PlayerJoinMessage message)
diff --git a/QSB/Player/Events/PlayerJoinMessage.cs b/QSB/Player/Events/PlayerJoinMessage.cs
index a07f5f4d..a965cf20 100644
--- a/QSB/Player/Events/PlayerJoinMessage.cs
+++ b/QSB/Player/Events/PlayerJoinMessage.cs
@@ -9,6 +9,7 @@ namespace QSB.Player.Events
 		public string QSBVersion { get; set; }
 		public string GameVersion { get; set; }
 		public GamePlatform Platform { get; set; }
+		public bool DlcInstalled { get; set; }
 
 		public override void Deserialize(QNetworkReader reader)
 		{
@@ -17,6 +18,7 @@ namespace QSB.Player.Events
 			QSBVersion = reader.ReadString();
 			GameVersion = reader.ReadString();
 			Platform = (GamePlatform)reader.ReadInt32();
+			DlcInstalled = reader.ReadBoolean();
 		}
 
 		public override void Serialize(QNetworkWriter writer)
@@ -26,6 +28,7 @@ namespace QSB.Player.Events
 			writer.Write(QSBVersion);
 			writer.Write(GameVersion);
 			writer.Write((int)Platform);
+			writer.Write(DlcInstalled);
 		}
 	}
 }
\ No newline at end of file
diff --git a/QSB/Player/KickReason.cs b/QSB/Player/KickReason.cs
index d02b4159..5b44b066 100644
--- a/QSB/Player/KickReason.cs
+++ b/QSB/Player/KickReason.cs
@@ -5,6 +5,7 @@
 		None,
 		QSBVersionNotMatching,
 		GameVersionNotMatching,
-		GamePlatformNotMatching
+		GamePlatformNotMatching,
+		DLCNotMatching
 	}
 }
diff --git a/QSB/QSBCore.cs b/QSB/QSBCore.cs
index 746cddda..1de470f5 100644
--- a/QSB/QSBCore.cs
+++ b/QSB/QSBCore.cs
@@ -79,6 +79,7 @@ namespace QSB
 		public static GamePlatform Platform => typeof(Achievements).Assembly.GetTypes().Any(x => x.Name == "EpicEntitlementRetriever")
 			? GamePlatform.Epic
 			: GamePlatform.Steam;
+		public static bool DLCInstalled => EntitlementsManager.IsDlcOwned() == EntitlementsManager.AsyncOwnershipStatus.Owned;
 		public static IMenuAPI MenuApi { get; private set; }
 
 		private static DebugSettings DebugSettings { get; set; } = new DebugSettings();