What are some other movies similar to The Guest (2014)?

When you say ‘similar' do you mean aesthetically or narratively?

If the former The Guest was heavily influenced by John Carpenter so you should seek out things like:

The Thing

Escape From New York


They Live

Assault On Precinct 19

If it's a narrative similarity you're looking for then you want things a little nihilistic but with a bit of a exploitation edge to it. Things like:

Blue Ruin


John Wick

Essentially The Guest is very Neo-Noir so you should find films like:

To Live And Die In LA

Body Heat


Blood Simple


The Last Seduction

The Lost Highway

Angel Heart

No Country For Old Men


The Friends Of Eddie Coyle

Hope that helps and covers any angle you were after.

The Guest (2014)

A soldier introduces himself to the Peterson family, claiming to be a friend of their son who died in action. After the young man is welcomed into their home, a series of accidental deaths seem to be connected to his presence.

How many species of whales are there?

There are 88 living species of whales, dolphins and porpoises, known collectively as "cetaceans", that make one of the most diverse families of mammals in this planet.

Is it possible to make a radio transmitter to send and receive calls and texts without paying a company for cell services?

I'm guessing that the questioner doesn't understand what the SIM card does. It's not just a phone number. The SIM is a security key, storing a digital certificate which is used to authorise access to the mobile network. Every SIM