Need help recovering my games progress data (reposting this here instead)

I just lost all my progress from 90% of all the games I played here, is there any way to get it back?

You did one of three things: changed your browser, changed your computer, or cleared your browser storage/cookies. If it's one of the former two, go back to the old one and manually export your save strings into Galaxy's cloud (accessible from the sidebar inside any given game) so you can import them into your new computer/browser later. If it was the latter, which may have happened for reasons other than doing it manually by choice (installing an update for instance), you're most likely out of luck; that is where save data is stored locally and browsers don't back those kind of things up by default.

ok, thank you for the helpful tips, I'll try these methods now and hope it works

I did reset all my cookies recently, so I'm very out of luck