The game includes tool to upload items to the Steam Workshop, after approval they will be added to periodic drops of items.

1. Click on Library

2. Click on the drop-down list below the Home button


3. Enable Tools checkbox


4. In the search bar search for Boo! Are you scared? TCG | Workshop Uploader


5. Click the Boo! Are you scared? TCG | Workshop Uploader to download and install it.

1. Select the item you want to upload (.zip).
Include in archive all files related to your work (images, templates, etc.).
In game uses a .png image with size of 128x128 pixels.

2. Select a preview image if it's the first time uploading the item or if you want to change it.

3. Add the item's workshop ID if you're updating it, leave empty if it's a new item.

4. Upload it and take note of the workshop ID if it's a new item. Use it when you want to update it.



5. Check and edit your item in the Steam Workshop, then set it public when it's ready.