My game keeps freezing up in a certain spot?

My guess is either the scratch may be significant enough to mess with the gameplay. Or the eye might have a scratch on it making it very difficult for it to read the disc. Somtimes scratches that seem very minor can be major and plus the PSP isnt a very good gaming system in my Oppinion and I have been pro playstation all my life. I recommend either getting a new game or getting a new psp.