Share this URL with your friends:
Find groups of four items that share something in common.
Click + Make a Puzzle at the top to create your own boards and share them with friends.
Connect a free Google Sheet via Google Apps Script to save custom puzzles and sync friend scores across all devices.
Go to sheets.new to create a new spreadsheet (e.g. named Categories DB).
In your Google Sheet menu, click Extensions > Apps Script. (Tip: If you see "Datei kann nicht geöffnet werden", open an Incognito window with only one Google account logged in.)
Delete any default boilerplate in Code.gs and paste the backend code (includes /** @OnlyCurrentDoc */ so it only ever accesses this single spreadsheet):
In the Apps Script toolbar function dropdown, select initSpreadsheet and click ▷ Run. Grant permissions when prompted (Advanced > Go to Categories Game API (unsafe) > Allow). You're only authorizing your own code to edit this one sheet. This creates the Games and Results sheets automatically!
Click the blue Deploy > New deployment button:
Click Deploy and copy the Web app URL (ends in /exec).
Paste your Web app URL into the input field above, click Test Connection, then click Save Settings!