The environment you built is really nice and much larger than I would have expected from a game made in a week! The models also look really great and everything has really nice lighting. I managed to get the chandelier to fall on the guy up on the balcony, but whether through physics issues or time constraints, it doesn't seem to bother him terribly. I did a bit more exploring and found some more of the ritualists, so I get the sense there's probably something I should do that either deals with them or brings them to the table in the middle of the big room! My favourite thing you did was the floor with the disappearing squares -- just a really neat feature that makes the player move really carefully.
All in all, a really nice game that exhibits lots of skill and potential! If you decide to work on this any more, I'd definitely come and look.