Does that happen with other games or just that?
Is it an original front lit SP, or a later back lit SP?
If you don't know, push the light button, if the light turns off completely it's front lit. If it just changes between two lighting levels it's back lit.
If you see lines on the screen of your Game Boy Advance SP during game play, then it is likely one or more of the components that create the image on the screen are damaged. This can occur if there has been an impact to the Game Boy Advance SP's screen, such as being dropped or hit. If your screen is displaying these lines through the game image, you will need to have the unit repaired. From an old Nintendo articleOther games too, the problwm is in the screen I believe
It's back lit.
It's called screen bleeding I think. I never got around to fixing it. I've read guides saying that you need to open the screen itself and apply electric tape over the areas with the white border.Anyone know how to fix it please?