I am gonna assume that you're not a native English speaker, as even your screen shots have grammatical errors in them.
Are you alone in making this game so far? As I think it would help to have someone who goes over all the text in the game.
"What's wrong with you? Did you saw a ghost?"
In English, this sentence sounds like she's insulting you, "saw" should be "see" as well. "Did you see a ghost?"
"What's wrong? You look like you saw a ghost?"
Much more natural English