What is the most fun PSP game?

[BetterHuman]

Ive had a PSP for about 1 year now and i just cant find very many fun PSP games, i have DUngeon Seige Throne of agony, Vice city Stories, Daxter, and some other games and only one has been really fun so far and i have beat it 2 times so im getting bored of it, and its Dungeon Seige, but now i need to find another game so i wont be so bored on my PSP.

[Samitaa]

I love to play mario games,so super galaxy mario is very funny game,its gave me great fun,really it's very funny game.