It's short, not scary, stupid, boring, bland, easy, and has almost nothing to do with Silent Hill. You walk through a maze, find a key that isn't randomly placed, so it's in the same spot every time, and get to the exit. The enemies are easily killed, except for one which must be maneuvered around in the last couple stages.
The levels are all really the same, and the game is too simple. Move, shoot, move some more. There is no incentive to play.