Idea for a sequel - Reality Shows
Think about it...Reality shows are perfectly titled for spoofs like they did in stay tuned. A lot of em barely need to be renamed. "Survivor," "Fear Factor", "Elimidate," and the competitive nature of these shows totally dovetails with the movies premise about competing to stay alive. Imagine what you could do with "the weakest link" or "who wants to be a millionaire,"?
Some guy is a total couch potato who wants to be on television and signs a deal that gets him and his wife/girlfriend sucked into these twisted reality television shows where they have to compete for their souls. Nothing particularly novel about the idea, but I think the reality show premise makes it fun.
I feel like it could work