A limited company can sue only insofar as the alleged defamation relates in some way to its trading activities.
Your house will not be "smart" insofar as it will not seem alive to you any more than your garage door opener or your web browser does.
These new gory messes will be interactive insofar that you can link together a sequence of "mini-fatalities" in whatever order you'd like.
The Sega Genesis beat Nintendo to the punch insofar that it was one of the first 16-bit machines on the market.
This strategy, of course, has a fairly significant drawback insofar that the size of your video game library will never really grow.