LivingMetal on 30 November 2015
The genre and style of game determines which factors as most important. So, yes, storyline can be as important if not more important that gameplay. And a good storyline can actually enhance the gameplay by giving the player cause to play. Unfortunately, the majority is more into the mindless which places less emphasis on the story. But I have personally noticed that this has been less of the case, let's say, than the past five years.
