Nothing To Hide turns the stealth game on its head. Instead of avoiding cameras, guards and such like in other games, here you must make sure the government's eye (in the form of surveillance cameras) is always on you. Otherwise you're shot almost immediately.
The underlying message isn't very subtle but it works. Interestingly enough the game, still in development, is completely public domain. From the website:
The playable demo can be found here. (NOTE: loud music autoplays at the link.)