When you actually find a video game to be scary or disturbing, you know that the developers have done some very serious and hard work to make the whole thing work. Undying used the Unreal engine but had very little resemblance to that game when it came to actual gameplay. Speaking of gameplay, the pace is slowed down and the sheer difficulty in progressing through the very hard to kill enemies makes for a very unqiue gameplay experience. The production values are so high that you may even forget that it is a video game. The game itself is also packed with loads of secrets that you have to uncover using special vision. The level design in fantastic and the weapons as well as the enemies will really shock you.