The people who made this game did their research well. You can learn so much from the Viking culture's view of the world and myths. The game's graphics are sharp and well done. Everything is clean and of epic proportions. There could be more power-ups, more moves for the character and the game could be longer. Just by playing a few hours for three days straight I finished the game already. I know it has a Valhalla option that makes the game more challenging. I'm the kind of person that requires a certain level of challenge but not an almost impossible one. I enjoy more the storyline, gameplay and game length than a more challenging version of the same game. I probably won't be playing the Valhalla option of the game. I liked this game. Very entertaining and somewhat challenging.