diff --git a/src/game/client/swarm/gameui/swarm/basemodpanel.cpp b/src/game/client/swarm/gameui/swarm/basemodpanel.cpp
index 4779610f0..78005ead7 100644
--- a/src/game/client/swarm/gameui/swarm/basemodpanel.cpp
+++ b/src/game/client/swarm/gameui/swarm/basemodpanel.cpp
@@ -1422,6 +1422,11 @@ void CBaseModPanel::OnLevelLoadingStarted( char const *levelName, bool bShowProg
 	pLoadingProgress->SetLoadingType( type );
 	pLoadingProgress->SetProgress( 0.0f );
 
+	if ( ISteamTimeline *pTimeline = SteamTimeline() )
+	{
+		pTimeline->SetTimelineGameMode( k_ETimelineGameMode_LoadingScreen );
+	}
+
 	m_LevelLoading = true;
 }
 
@@ -1474,6 +1479,11 @@ void CBaseModPanel::OnLevelLoadingFinished( KeyValues *kvEvent )
 		pLoadingProgress->Close();
 	}
 
+	if ( ISteamTimeline *pTimeline = SteamTimeline() )
+	{
+		pTimeline->SetTimelineGameMode( bError ? k_ETimelineGameMode_Menus : k_ETimelineGameMode_Staging );
+	}
+
 	m_LevelLoading = false;
 
 	CBaseModFrame *pFrame = CBaseModPanel::GetSingleton().GetWindow( WT_GENERICCONFIRMATION );
diff --git a/src/game/shared/swarm/asw_gamerules.cpp b/src/game/shared/swarm/asw_gamerules.cpp
index 701b98bfc..0aca4d62c 100644
--- a/src/game/shared/swarm/asw_gamerules.cpp
+++ b/src/game/shared/swarm/asw_gamerules.cpp
@@ -1500,6 +1500,11 @@ CAlienSwarm::~CAlienSwarm()
 
 	GameTimescale()->SetDesiredTimescale( 1.0f );
 	engine->SetPitchScale( 1.0f );
+
+	if ( ISteamTimeline *pTimeline = SteamTimeline() )
+	{
+		pTimeline->SetTimelineGameMode( k_ETimelineGameMode_Menus );
+	}
 }
 
 float CAlienSwarm::GetMarineDeathCamInterp( bool bIgnoreCvar )
@@ -1588,6 +1593,11 @@ void CAlienSwarm::OnDataChanged( DataUpdateType_t updateType )
 			g_ReactiveDropWorkshop.OnMissionStart();
 		}
 
+		if ( ISteamTimeline *pTimeline = SteamTimeline() )
+		{
+			pTimeline->SetTimelineGameMode( GetGameState() == ASW_GS_INGAME ? k_ETimelineGameMode_Playing : k_ETimelineGameMode_Staging );
+		}
+
 		g_ReactiveDropWorkshop.CheckForRequiredAddons();
 
 		g_RD_Rich_Presence.UpdatePresence();