diff --git a/src/lib/storage.js b/src/lib/storage.js
index 3de36efe6..ef5d68810 100644
--- a/src/lib/storage.js
+++ b/src/lib/storage.js
@@ -11,9 +11,19 @@ class Storage extends ScratchStorage {
         super();
         this.addWebSource(
             [this.AssetType.Project],
-            projectAsset => `${PROJECT_HOST}/${projectAsset.assetId}`
+            this.getProjectGetConfig.bind(this)
         );
     }
+
+    setProjectToken (projectToken) {
+        this.projectToken = projectToken;
+    }
+    
+    getProjectGetConfig (projectAsset) {
+        const path = `${PROJECT_HOST}/${projectAsset.assetId}`;
+        const qs = this.projectToken ? `?token=${this.projectToken}` : '';
+        return path + qs;
+    }
 }
 
 const storage = new Storage();
diff --git a/src/views/preview/embed-view.jsx b/src/views/preview/embed-view.jsx
index 783f6b712..5ef630a53 100644
--- a/src/views/preview/embed-view.jsx
+++ b/src/views/preview/embed-view.jsx
@@ -40,19 +40,23 @@ class EmbedView extends React.Component {
             );
         }
 
-        return (
-            <React.Fragment>
-                <Meta projectInfo={this.props.projectInfo} />
-                <IntlGUI
-                    assetHost={this.props.assetHost}
-                    basePath="/"
-                    className="gui"
-                    projectHost={this.props.projectHost}
-                    projectId={this.state.projectId}
-                    projectTitle={this.props.projectInfo.title}
-                />
-            </React.Fragment>
-        );
+        if (this.props.projectInfo && this.props.projectInfo.project_token){
+            return (
+                <React.Fragment>
+                    <Meta projectInfo={this.props.projectInfo} />
+                    <IntlGUI
+                        assetHost={this.props.assetHost}
+                        basePath="/"
+                        className="gui"
+                        projectHost={this.props.projectHost}
+                        projectId={this.state.projectId}
+                        projectTitle={this.props.projectInfo.title}
+                        projectToken={this.props.projectInfo.project_token}
+                    />
+                </React.Fragment>
+            );
+        }
+        return null;
     }
 }
 
diff --git a/src/views/preview/presentation.jsx b/src/views/preview/presentation.jsx
index e6cf7978b..f900fde88 100644
--- a/src/views/preview/presentation.jsx
+++ b/src/views/preview/presentation.jsx
@@ -359,6 +359,7 @@ const PreviewPresentation = ({
                                     isFullScreen={isFullScreen}
                                     previewInfoVisible="false"
                                     projectHost={projectHost}
+                                    projectToken={projectInfo.project_token}
                                     projectId={projectId}
                                     onGreenFlag={onGreenFlag}
                                     onProjectLoaded={onProjectLoaded}
diff --git a/src/views/preview/project-view.jsx b/src/views/preview/project-view.jsx
index a68485d98..6d094340e 100644
--- a/src/views/preview/project-view.jsx
+++ b/src/views/preview/project-view.jsx
@@ -142,7 +142,6 @@ class Preview extends React.Component {
             this.props.sessionStatus === sessionActions.Status.FETCHED) ||
             (this.state.projectId !== prevState.projectId))) {
             this.fetchCommunityData();
-            this.getProjectData(this.state.projectId, true /* Show cloud/username alerts */);
             if (this.state.justShared) {
                 this.setState({ // eslint-disable-line react/no-did-update-set-state
                     justShared: false
@@ -158,6 +157,10 @@ class Preview extends React.Component {
                 });
             }
         }
+        if (this.props.projectInfo.id !== prevProps.projectInfo.id) {
+            storage.setProjectToken(this.props.projectInfo.project_token);
+            this.loadProjectData(this.state.projectId, true /* Show cloud/username alerts */);
+        }
         if (this.props.projectInfo.id !== prevProps.projectInfo.id) {
             if (typeof this.props.projectInfo.id === 'undefined') {
                 this.initCounts(0, 0);
@@ -196,7 +199,8 @@ class Preview extends React.Component {
 
         // Switching out of editor mode, refresh data that comes from project json
         if (this.props.playerMode && !prevProps.playerMode) {
-            this.getProjectData(
+            storage.setProjectToken(this.props.projectInfo.project_token);
+            this.loadProjectData(
                 this.state.projectId,
                 false // Do not show cloud/username alerts again
             );
@@ -323,7 +327,7 @@ class Preview extends React.Component {
             }
         }
     }
-    getProjectData (projectId, showAlerts) {
+    loadProjectData (projectId, showAlerts) {
         if (projectId <= 0) return 0;
         storage
             .load(storage.AssetType.Project, projectId, storage.DataFormat.JSON)
@@ -713,6 +717,11 @@ class Preview extends React.Component {
         );
     }
     render () {
+
+        // Only show GUI if the project has no id, is a loaded local project, or has the project token loaded
+        const showGUI = (!this.state.projectId || this.state.projectId === '0' || this.state.isProjectLoaded ||
+        (this.props.projectInfo && this.props.projectInfo.project_token));
+
         if (this.props.projectNotAvailable || this.state.invalidProject) {
             return (
                 <Page>
@@ -829,43 +838,46 @@ class Preview extends React.Component {
                         />
                     </Page> :
                     <React.Fragment>
-                        <IntlGUI
-                            assetHost={this.props.assetHost}
-                            authorId={this.props.authorId}
-                            authorThumbnailUrl={this.props.authorThumbnailUrl}
-                            authorUsername={this.props.authorUsername}
-                            backpackHost={this.props.backpackHost}
-                            backpackVisible={this.props.canUseBackpack}
-                            basePath="/"
-                            canCreateCopy={this.props.canCreateCopy}
-                            canCreateNew={this.props.canCreateNew}
-                            canEditTitle={this.props.canEditTitleInEditor}
-                            canRemix={this.props.canRemix}
-                            canSave={this.props.canSave}
-                            canShare={this.props.canShare}
-                            className="gui"
-                            cloudHost={this.props.cloudHost}
-                            enableCommunity={this.props.enableCommunity}
-                            hasCloudPermission={this.props.isScratcher}
-                            isShared={this.props.isShared}
-                            projectHost={this.props.projectHost}
-                            projectId={this.state.projectId}
-                            projectTitle={this.props.projectInfo.title}
-                            renderLogin={this.renderLogin}
-                            onClickLogo={this.handleClickLogo}
-                            onGreenFlag={this.handleGreenFlag}
-                            onLogOut={this.props.handleLogOut}
-                            onOpenRegistration={this.props.handleOpenRegistration}
-                            onProjectLoaded={this.handleProjectLoaded}
-                            onRemixing={this.handleIsRemixing}
-                            onSetLanguage={this.handleSetLanguage}
-                            onShare={this.handleShare}
-                            onToggleLoginOpen={this.props.handleToggleLoginOpen}
-                            onUpdateProjectData={this.handleUpdateProjectData}
-                            onUpdateProjectId={this.handleUpdateProjectId}
-                            onUpdateProjectThumbnail={this.props.handleUpdateProjectThumbnail}
-                            onUpdateProjectTitle={this.handleUpdateProjectTitle}
-                        />
+                        {showGUI && (
+                            <IntlGUI
+                                assetHost={this.props.assetHost}
+                                authorId={this.props.authorId}
+                                authorThumbnailUrl={this.props.authorThumbnailUrl}
+                                authorUsername={this.props.authorUsername}
+                                backpackHost={this.props.backpackHost}
+                                backpackVisible={this.props.canUseBackpack}
+                                basePath="/"
+                                canCreateCopy={this.props.canCreateCopy}
+                                canCreateNew={this.props.canCreateNew}
+                                canEditTitle={this.props.canEditTitleInEditor}
+                                canRemix={this.props.canRemix}
+                                canSave={this.props.canSave}
+                                canShare={this.props.canShare}
+                                className="gui"
+                                cloudHost={this.props.cloudHost}
+                                enableCommunity={this.props.enableCommunity}
+                                hasCloudPermission={this.props.isScratcher}
+                                isShared={this.props.isShared}
+                                projectHost={this.props.projectHost}
+                                projectToken={this.props.projectInfo.project_token}
+                                projectId={this.state.projectId}
+                                projectTitle={this.props.projectInfo.title}
+                                renderLogin={this.renderLogin}
+                                onClickLogo={this.handleClickLogo}
+                                onGreenFlag={this.handleGreenFlag}
+                                onLogOut={this.props.handleLogOut}
+                                onOpenRegistration={this.props.handleOpenRegistration}
+                                onProjectLoaded={this.handleProjectLoaded}
+                                onRemixing={this.handleIsRemixing}
+                                onSetLanguage={this.handleSetLanguage}
+                                onShare={this.handleShare}
+                                onToggleLoginOpen={this.props.handleToggleLoginOpen}
+                                onUpdateProjectData={this.handleUpdateProjectData}
+                                onUpdateProjectId={this.handleUpdateProjectId}
+                                onUpdateProjectThumbnail={this.props.handleUpdateProjectThumbnail}
+                                onUpdateProjectTitle={this.handleUpdateProjectTitle}
+                            />
+                        )}
                         {this.props.registrationOpen && (
                             this.props.useScratch3Registration ? (
                                 <Scratch3Registration
diff --git a/src/views/preview/projectshape.jsx b/src/views/preview/projectshape.jsx
index d2dfeda4a..423566803 100644
--- a/src/views/preview/projectshape.jsx
+++ b/src/views/preview/projectshape.jsx
@@ -31,5 +31,6 @@ export const projectShape = shape({
     remix: shape({
         parent: number,
         root: number
-    })
+    }),
+    project_token: string
 });