does any1 know where i can see how many copies of a game were sold?

Answer 1

This website is very good as it takes in account of world sales. But it is a bit limited.

http://www.game-sales-charts.com/cms/index.php

Try some of these sites for help on sales of video games.

http://retailindustry.about.com/od/seg_toys/a/bl_npd012703.htm
http://en.wikipedia.org/wiki/List_of_best_selling_video_games
http://www.the-magicbox.com/