Heres a nice exclusive for us all here at PSP News, with the good help of our friends at Lik Sang (Who Compiled for me the top selling PSP Games of 2005 from 1st of January till 31st of December).
If you dont know Lik Sang are one of the worlds biggest importers and exporters of Video Games and Consoles etc and because they sell games from each region it gives a unique insight on whats sold best via them.