If You have a computer search for a cheat book for your PSP. I bought one for me at a book fair at school. Hope that you can find one. You have a very good game. With such a great game you should have fun!
You've got to complete the game to 100%.
Complete all missions
There isn't really a way you just got to do game up-to the unlock island
I won;t to no the answer
O o o o o o o o up up up up up up up up up up o o o o o o o