I am giving a site. Not all games here are in KGB Format. So here it is...
http://www.getcompressedgames.blogspot.com/
kgb formate movie
www.getcompressedgames.blogspot.com
redzuanplace.blogspot.com for highly compressed games
archive
.nds and you can download roms in that format.....
just download .nes games on your computer and copy them in your MP5 download sites www.coolroms.com
you can get from: www.megaupload.com
They have games on PSVita Game Cards which are sold in stores, and the games can be bought in digital format from the PSN store.
The Free KGB Key Logger 4.5.4.831 is availble for public download at cnet,the complete url is http://download.cnet.com/Free-KGB-Key-Logger/3000-2162_4-10357898.html
well i tried and it keeps saying invalid file format
YOU CAN DOWNLOAD MOVIES IN RM FORMAT FROM - http://www.freezilla.co.cc/22683
the KGB archiver is great for compressing games.