Games Key Decryptor

If you've purchased video games and lost their serial numbers, you can use Games Key Decryptor to easily recover them, as long as they're saved in your system.

It's a simple and straightforward Windows tool that offers support for over 50 video games, such as Call of Duty, Unreal Tournament, Battlefield, Quake, or Age of Empires (make sure to check out the "Specifications" tab on this page for a complete list).

Once you reach the main app window, all you have to do is click the "Start Recovery" button. This tells the app to run an instant scan on your computer and retrieve all supported serial keys (if any).

If the code you're looking for doesn't turn up in this list, it has to be one of two reasons: your video game is not supported by Games Key Decryptor, or it's installed in another location than default. In addition to the serial code, you can check out the name of the video game, along with the software version.

You can right-click an entry in this list to copy data to the clipboard or save everything to file for closer examination (especially if you want to get the codes of multiple games). In addition to HTML reports, the app can create XML, TXT and CSV files with the extracted info.

All this represents the GUI of Games Key Decryptor. There's also a command-line mode available for power PC users who don't want to spend time tinkering with the graphical environment, where all you have to do is specify the output path for saving the report with decrypted game keys. If it's used without any arguments, it shows the keys in the console instead.

Taking everything into account,  Games Key Decryptor offers a hassle-free solution for getting hold of lost or forgotten serial keys to purchased video games. Too bad that it doesn't support more games.