Veloviewer Tile Bagging?

Am I right in thinking Squadrats requires you to sync all your existing activities via Strava and/or Garmin Express - there's no way of manually adding activities?

For reasons similar to @lesterama I am trying to start from zero. And the little tiles (squadratinhos if we must) may help me with this.

I have created an account but can't seem to see any contact details, and no help other than the very basic Rules page.

If I skip Garmin/Garmin sync I see nothing at all on the Activities page apart from 'synchonising...'.

(I could create a new Strava account I suppose?)

Edit: the Terms of Service say:

You agree when uploading activities to squadrats.com or to the Squadrats App (either by uploading manually or synchronising via Strava

... so I guess there is/was a way to manually upload. But now my Activities page just says

No activities ... If you have activities in Strava or Garmin, you can synchronise them automatically... Connect to Strava ... Connect to Garmin

so maybe manual upload was discontinued?