I'm surprised no one has mentioned the extremely relevant precedent set by Age of Empires III. Although I exclusively run GNU/Linux now, at the time of Age of Empires III's release in November of 2005 I was running Windows 2000 Pro with no intention of ever using Windows XP. This isn't the time or place to discuss why I refused to use XP, but suffice to say that my experience getting AoE III to work foreshadowed what was to come in any Microsoft published game.

Being a fan of the earlier Age of Empires games, I acquired a copy of the newly released AoE III which turned out to list Windows XP as the only supported operating system. To my extreme (albeit momentary) dismay, running the setup.exe on the first game disc produced an error requiring an upgrade to Windows XP before installing the game. I simply refused to believe it, seeing as how 2000 and XP are extremely similar operating systems and that there's no technical reason this game would require one and not work on the other.

Five minutes of Googling later, I ran the setup.exe from the command prompt, passing the "/n" command line switch to the executable. This switch runs the game setup in network install mode: the setup program believes it is installing the game over a network, so it doesn't check the operating system version! Needless to say I just pointed the installer to a local directory and it installed without a hitch.

Even better is that the main game executable didn't require any patching. Directly after installation, the game ran perfectly under Windows 2000! Only the setup.exe on the game disc had the farse "XP-only" restriction, and a simple trick, built-in to the executable no less, proved that the operating system requirement was merely a shallow marketing decision by Microsoft to force people on to Windows XP.

This anecdote might be interesting for those who haven't played AoE III (or haven't tried getting it to run on another OS besides XP). It has taught me to never trust a game published by Microsoft, and because of my experience, as soon as I heard that Halo 2 PC was going to be Vista-only many months ago I instantly knew that it would be a superficial hack akin to the OS check on the AoE III setup.exe.


Of course there are going to be people who relish in being able to break this superficial and shallow marketing decision, but I'd like to send a big THANK YOU out to those who actually put the time and effort into doing so.