Managing director of GG is a guest in dutch talkshow tonight.

[Dallinor]

BengaBenga said:

Killzone 1: 2.5 million sold.

There's the answer to a question asked hundreds of times since 2005: "Why are Sony making a sequel to an average game?".

It's also nice to get an official number. I recall there was plenty of dispute over how much the first sold.