Surpisingly enough some are good ideas.

Pointlesswasteoftime has a list of what could be the top 12 games of 2010. some of them sound stupid, but one called Killchain sounds like an interesting idea for a game.

A puzzle game for people who hate puzzle games and love brutal death. In Killchain you are an assassin who has no weapons, and no fighting skill. What you can do, is freeze time.

So with each level you'll find yourself in a bustling city, then, time will slow until all of the people are frozen like statues. You can then position any person or object, arranged so that once time resumes you'll create a chain reaction of chaos that will ultimately kill the target.

There are a couple others that sound like some good ideas too, but the Killchain one could be done now with present tech and should be done now.