This document lists the titles and file sizes of various games that can be played on the PlayStation Portable (PSP). There are over 100 games listed along with their individual file sizes, which range from around 70 megabytes (MB) up to 1.68 gigabytes (GB). Some of the larger games include Resistance Retribution at 1.55GB, UFC Undisputed 2010 at 1.64GB, and Warriors Orochi 2 at 1.68GB. The majority of games require between 100MB to 1GB of storage space on the PSP.