How to set up the Twitch Extension for Storybook Brawl

What's included in the Twitch Extension

Take your stream to the next level and improve your viewer's experience with’s Twitch Extension for Storybook Brawl, which includes:

  • Hover any card, treasure and spell on the board and in your hand to view more information.
  • Educational tooltips so new players can learn how the game works and what the various buttons in the game do.

Scroll down to see how you can add this extension to your stream!

How to set up the Twitch Extension

Step 0: Prerequisites

In order to use the extension, you will need:

  • Your own Twitch Channel
  • A Windows or macOS device, which can run Storybook Brawl and the Companion at the same time
  • A free account. You can create it at

Step 1: Download the Companion

You can download the Companion here. If you already have it installed, skip this step, but make sure you have version 2.0 or later installed.

Step 2: Install the Twitch Extension

a. Follow this link or go to your Creator Dashboard on Twitch, click on the 'Extensions' tab on the left, and search for ''.

The Twitch Extension Dashboard. In the top right,the search box is highlighted and the user has entered "" as a search term.

b. Click on the '+ Install' button in the top right corner.

c. Click on the 'Configure' button in the popup. If you've accidentally closed the popup don't worry - you can just return to the extension page above and will find the 'Configure' button where the 'Install' button was previously located.

Step 3: Retrieve your Extension Key

a. Leave your browser open, and start the Companion and connect your account by clicking the 'Log in' button in the bottom left corner.If you don't have an account, you can create one here.

If you've already connected your account with the Companion, proceed to the next screenshot: Companion Main Window highlighting the Log In link in the left sidebar
Click "Log in" at the bottom of the left rail in the Companion

b. Once your account is connected, click on the General Arena tab on the left menu, and then on 'Setup Twitch Extension' under the Livestreaming section:

Click on 'General' the sidebar, and then 'Set up Twitch Extension' button

c. In the popup, click on 'Enable Twitch Extension':

d. Click on 'Copy to Clipboard' to copy the Extension Key.

Step 4: Insert Extension Key on Twitch

Return to your browser, and paste the Extension Key in the box.

If you've accidentally closed your browser, you can also click the link in the Companion below the 'Copy to Clipboard' button to return to the extension page, where you will find the 'Configure' button.

Step 5: Give our chat bot permission to chat in your channel

Visit the Community Roles Manager in your Twitch Creator Dashboard to give our chat bot "UntappedGG" permission to chat even while you are in followers-only or subscribers-only mode. You can recognize the right account by the orange U.

Step 6: Activate the Twitch Extension

You're nearly there! Now all you need to do is activate your new extension.

  • Go to the Extensions tab on your Creator Dashboard.
  • Click on 'My Extensions'.
  • Select the extension, click on 'Activate' and 'Set as Overlay 1'.

That's it, you're all set!

At this point, the extension should appear on your channel whenever you're playing Storybook Brawl (or MTG Arena) with the Companion running.

If something is not working, return to the Twitch Extension Setup in the Companion. All items must have a green checkmark for the extension to work. If you just went live, it may take a few minutes for Twitch to notify the companion that you're online.

Is something not working, or do you need help with the setup? Please email our support team at or contact us on our Discord server.