Because the game allows so much freedom and consistently rewards creativity. If you have a creative approach towards battle or travel, odds are it will work. It’s not a great game because of its combat or story, but because you can figure out that you can safely traverse cold areas without cold resistant clothes if you make sure to carry a torch with you and make sure it stays lit, creating an interesting challenge as a result of trying to overcome and solve a problem and the game will never tell you that you can do this. You just have to figure out you can by experimenting with the game’s mechanics