They aren't yet. Richard Matheson has in fact signed off on a potential sequel but as of yet there are no plans to actually make a sequel. Like I said though its a big yet. They made enough money that I'm sure it wouldn't surprise very many people if they did in fact make another one.
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We are both the source of the problem and the solution, yet we do not see ourselves in this light...
We are both the source of the problem and the solution, yet we do not see ourselves in this light...