I don't think they should have released this demo, it leaves a feeling of an unfinished product. It's pretty buggy (monsters get stuck in walls, chase walls, ignore you alltogether. The boss monster on 2 - 3 attempts warped through the wall to the other end of the screen and simply could not be killed.
I'm a bit disappointed with the voice acting, from what little voice there was it did NOT appear to be of the same calibre as the original POP:SOT.
The fighting is better but it also leaves me with worries that the majority of the game is about fighting and less about puzzles which is why POP:SOT was good, there was a decent mix of both.
I'm still hopeful of POP:WW but UBI montreal should have waited to release a more polished demo.