Specs are quantitative aspects of the option such as the price
Pros
Pro
Adjustable difficulty levels
For those looking for a challenge or something easy to play there are adjustable difficulty levels, meaning any skill level can have fun with the game.
A heretic that has descended to hell in order to destroy demons is about the gist of it, not much exposition is given, if at all. While it does not detract from the gameplay, there is little reason to play this game for the story.