Steam Recover

Find & recover missing achievements & perfect games.

Recover Stats from Steam Community Profile

Userscript is not installed

Install Tampermokey for Chrome ,
Greasemonkey for Firefox or
Tampermonkey for Firefox
Install completionist.me on Steam Store / Community or
Trackers Everywhere userscript.

Only works after userscript was installed

Go to your Steam Profile Edit page
Click Check X apps on completionist.me in the Apps Analyzer Widget