Hi Jake,
Using an iPhone 15 Pro, and been logged into my Netflix account from the start. Done the usual methods to try and resolve like phone hard restarts, and logging in and out. Haven’t deleted and reinstalled app, out of fear of losing everything. It’s almost like the game has forgotten the path to the save file on my device. Like me and the other poster here said, we see the achievements we’ve unlocked still, but no evidence of any save.
Thanks