I'm just going to say that anybody with a brain present, and functioning cells inside that brain, can see if it is on steam for sale, it probably needs steam to launch it. Yes, even if you buy Trainz on steam, you need steam to launch it. It's pretty simple if you don't like steam, don't buy it, and play SimCity. I'm going to say that with the new SimCity (Yes I own it, and play it, a lot of fun for me
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) you need Orgin for it to launch. It doesn't say that as one of the system requirements, but if you know EA, which has created its own steam like app, called Orgin, then you'll know you probably need it. Whether or not a game needs steam does not change the fun and overall playing value of a game. I also have an Xbox 360, and I like to play Forza Motorsport 4. I can't play it on my PC because you can only use it on Xbox 360. Using your logic, I shouldn't play it, because it might be misleading, it doesn't say on the case, DON'T TRY THIS ON A PC, IT WILL NOT WORK, REQUIRES XBOX 360 TO PLAY.