I'll toss my two cents in here. While you might play a character which is seeking to destroy the evil, the presentation, mood, atmosphere <-> whatever you want to call it, is to generate fear, the use of shadows, music, what have you. The point of the game is to cause you to be afraid. Is this possible in a game? Absolutely, my take on it isn't so much the subject matter as what is the intent of the developers - cause you to fear. I am reminded of a great scripture which saids ...
"1 John 4:18
There is no fear in love. But perfect love drives out fear, because fear has to do with punishment. The one who fears is not made perfect in love."
I guess I have to ask myself, do I want to play a game which would cause me to be afraid of something dark or evil and that it will jump out at me? What emotion does it generate in me and does that emotion honor God? For some people, PACMAN might be too much so then don't play it. Personally, for me, I feel like it is a victory to the enemy to let him think he can cause me fear. I leave you with this ...
Romans 8: 35-38
35Who shall separate us from the love of Christ? Shall trouble or hardship or persecution or famine or nakedness or danger or sword? 36As it is written:
"For your sake we face death all day long; we are considered as sheep to be slaughtered."[12] 37No, in all these things we are more than conquerors through him who loved us. 38For I am convinced that neither death nor life, neither angels nor demons,[13] neither the present nor the future, nor any powers, 39neither height nor depth, nor anything else in all creation, will be able to separate us from the love of God that is in Christ Jesus our Lord.