A good friend of mine is looking for a copy of a book he read when he was a kid, and I want to help so I figured I would ask you guys and see if anyone is familiar.
From what I understand, the book is from the late 80's or early 90's, and is about a kid who gets home from school and finds a new video game sitting on his front porch. He starts the game up and gets sucked into the game. He has to beat the game to get home.
My friend described the cover art saying that it is a young man brandishing a green sword and is fighting a two headed demon. He said the boy may be on a staircase or raised dais surrounded by flames. If this rings a bell for anyone let me know. Thanks for any help.