I played the SP over the weekend.
Looks pretty good, pretty solid gameplay, environmental sounds and music really good.
Without a good storyline it's about what Doom3 should have been. With the little bit that this demo reveals it looks like some pretty good horror effects so I hope the story is good and fits well with the special effects.
With regard to the demo, it's about perfect. It's pretty short, shows off in the gfx and sounds departments, almost no revelations of the plot, and leaves a real appetite for the whole thing, in short a masterpiece.
<font color=red>New World Order stolen. If anyone knows about the whereabouts of it, please contact me via PM. Friendly reminders on forum rules or etiquette are not appreciated.</font color=red>