It doesn’t get much better than this:
“Satan’s Computer–Doug is an ace arcade player-he always seems to make the winning moves. Then he is faced with the ultimate test, an incredible computer game called Beat the Devil, in which much more than his ego is on the line. It’s the most exciting-and the most dangerous-challenge of his life. First his sanity, then his closest friends, and finally his very soul are at stake-as he competes against a monstrous, mind-shattering code—programmed by the prince of evil…” (from Goodreads).