What's the full playtime of the game? From what I can gather from YouTube playthroughs it is roughly 3 hours. Is that about right?
Also, some of those battles are rather cheesey. Check out this guy killing a baddie by hiding between game Assets near an out-of-bounds area:
So how do you use this so that you don't teleport in Doom?
Anyone who's tried this, is there a way to make it controller-oriented movement, or is it still locked to HMD-forward?