http://www.ign.com/articles/2013/10/24/killzone-shadow-fall-could-have-been-a-290gb-game?utm_campaign=fbposts&utm_source=facebook [quote]Killzone 3 was itself a massive game, thanks in part to certain data being duplicated on the disc in order to speed up load times. Doing the same thing for Killzone's debut on PS4 could have been extremely problematic. "I think at some point the disc image that we were generating was around 180 gigs," explained Guerrilla technical director Michiel van der Leeuw. "And if we would have put all the levels in, which we didn't, because then the disc image generator broke, it would have been around 290 gigs of data.[/quote] 290GB for a game is way too watch, at least in this day and age. Not even a PC game is that huge. Glad they were able to cut it down to 40GB.