diff --git a/apps/ai-game-creator-shell/src/features/app-shell/WorkspaceLauncher.tsx b/apps/ai-game-creator-shell/src/features/app-shell/WorkspaceLauncher.tsx
index d3f8f2667..8ee4cde5c 100644
--- a/apps/ai-game-creator-shell/src/features/app-shell/WorkspaceLauncher.tsx
+++ b/apps/ai-game-creator-shell/src/features/app-shell/WorkspaceLauncher.tsx
@@ -61,6 +61,7 @@ export function WorkspaceLauncherShell({
   const [agentRuntimeMode, setAgentRuntimeMode] = useState<'design' | 'game'>(
     'game',
   );
+  const [suppressInitialGameTurn, setSuppressInitialGameTurn] = useState(false);
   const developerAgent = useDeveloperAgentPanel(launcherView);
   const homeProject = useHomeProjectCreation({
     setStatus,
@@ -85,6 +86,7 @@ export function WorkspaceLauncherShell({
     openProject,
   } = homeProject;
   useEffect(() => {
+    setSuppressInitialGameTurn(false);
     setAgentRuntimeMode(
       currentProjectContext?.startMode === 'planning' ? 'design' : 'game',
     );
@@ -253,6 +255,7 @@ export function WorkspaceLauncherShell({
       projectPath: nextProjectPath,
       activeRuntime: 'game',
     });
+    setSuppressInitialGameTurn(true);
     setAgentRuntimeMode('game');
   }
 
@@ -363,17 +366,17 @@ export function WorkspaceLauncherShell({
                 initialProjectManifest={currentProjectContext.manifest}
                 initialProjectKind={currentProjectContext.projectKind}
                 initialSupervisorMessage={
-                  agentRuntimeMode === 'design'
+                  !suppressInitialGameTurn
                     ? currentProjectContext.initialPrompt
                     : ''
                 }
                 initialCreationType={
-                  agentRuntimeMode === 'design'
+                  !suppressInitialGameTurn
                     ? currentProjectContext.creationType
                     : null
                 }
                 initialAttachments={
-                  agentRuntimeMode === 'design'
+                  !suppressInitialGameTurn
                     ? currentProjectContext.attachments
                     : []
                 }