Stalker passed 2 million worldwide last september
3 September 2008
GSC Game World announces its S.T.A.L.K.E.R.: Shadow of Chernobyl has sold 1 million copies worldwide and 1 million licensed copies in ex-USSR countries.
"We are very pleased that S.T.A.L.K.E.R. became so popular among players from all over the world, - said GSC Game World CEO Sergiy Grygorovych. – S.T.A.L.K.E.R. is more than just a game now. Financial success will allow us to develop S.T.A.L.K.E.R. in different directions as a brand."
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and I was actually going to create a topic, if it is possible to at least try to guess some Steam numbers, we know some Valve overall sales, have a rough estimate of how many players are playing certain game, and, well, I don't know what else we know! :P