HL2 - 20,000 Pirates BANNED!

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Originally Posted by Seth

How exactly did valve know who was pirating the game and who was not? Is it possible that they made a mistake in some cases?

for pretty much most of em. They know the fake CD Key, and everytime someone tries to register online with that cd key, they know its a pirated version.


They know every CD written out on the games they've made and shiped out. they're all logged on the computer. so when someone tries to register with a key they've never made, then its pretty simple to tell really.