Because somebody requested it, here is a list of some PSP games arranged by size. In case you want to download them onto the Vita or something.
I'm using info from VGChartz users first, and then Wikipedia.
Grand Theft Auto: Vice City Stories - 1.6 GB
Metal Gear Solid: Peace Walker - 1.4 GB
LittleBigPlanet - 1.3 GB
Dissidia: Final Fantasy - 1.22 GB
Tactics Ogre: Let Us Cling Together - 1.1 GB
God of War: Chains of Olympus - 1.1 GB
God of War: Ghost of Sparta - 1.09 GB
Kingdom of Paradise - 1 GB
Gods Eater Burst - 978 MB
Jak and Daxter: The Lost Frontier - 954 MB
Gran Turismo - 937 MB
Growlanser: Wayfarer of Time - 919 MB
Monster Hunter Freedom Unite - 814 MB
Metal Gear Solid: Portable Ops - 804 MB
Ratchet & Clank: Size Matters - 762 MB
Final Fantasy IV: The Complete Collection - 728 MB
Jeanne d'Arc - 678 MB
Patapon 3 - 616 MB
Assassin's Creed: Bloodlines - 559 MB
Grand Theft Auto: Chinatown Wars - 527 MB
Killzone: Liberation - 510 MB
Final Fantasy Tactics: The War of the Lions - 205 MB
Patapon - 184 MB
Peggle - 32 MB
