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Caveat Emptor The box for Half Life 2 fails to mention that a Steam account is required to play the game. So open the box, install the game. Ok, now you've opened the game and you discover you must have the Steam account. What is the problem with that? Simple: to get the Steam account you have to sign up to their privacy policy. In other words, when you buy the game you are betting that you will be willing to sign up to a contract that you haven't read yet. And, hey, guess what, even if you are willing to throw caution to the wind, you can't play the game if their servers are down or too busy. This isn't a registration glitch. This is a "got to do it to be able to play it standalone" headache. Now I have to go in and clean up the registry and startups. Bon apetit.