I think what he meant was that there was one classic Doom level 'stub' hidden in each Doom 4 mission. Each 'stub' unlocks the full version of the classic map accessible from the menu.Nevander wrote:Did he actually just say that all the original Doom levels will be playable in the new Doom? The full versions? I don't believe it!
So however many Doom 4 missions there are - 6, 8, 12, whatever ... that's how many classic maps we can unlock.