If you revisit the concept, my recommendation would be to leave Mr. Bob dead. Run with the idea that Mr. Bob spends a lot of time out of the house (the Wife says as much), and therefore this wasn't his only family. There's probably nightmare houses like this scattered in multiple places, and I doubt all of them (or their inhabitants) were destroyed when Mr. Bob went down.
Also, unless I'm mishearing it, the 'good' ending has a knock at the door while Alesa is in the gratuitous shower (heh, the showering thing gets me chuckling). We fade to black before we see who's there. I'd like to think that it's not the usual "SHIA SURPRISE! HE'S NOT DEAD!" swerve, but somebody showing up (like the FBI) to let her know that she's not crazy and they do believe her. Let the girl have some closure, she's earned it.
Anyway, good game! You do solid work!