I prefer open world games, but the problem is the cardboard world like GTA/Mafia,etc where the buildings are just cardboard, you cannot enter them or doing anything with them unless they are part of a quest. I want it like the elder scrolls, if you see it you can go to it. Also, they don't just need quests or missions, but they need a lot of side activities to keep you interested in the WORLD. Say what you will, but I loved GTA:SA because you could do a lot of things on the side, go to the gym, go to the gym, dating girlfriends, play pool, triathlons, racing, burglary, cloth shopping, etc. The world should be fun, with a lot of things to do that does not require a mission. I would like to go to a bar, shoot pool with some NPC's, talk to them about random stuff. Go to a club, get a one night stand/girlfriend, get on the net, explore cyberspace, meet other hackers and talk about the latest hacks, or the latest gear, politics, whatever. Go and shop, go and get new cybergear, go to a robots store and buy a new servant robot (think the show HUMANS) to clean my house/act as secretary/security system/sexbot./whatever, play whatever virtual games are in the future, get a telescope and watch the night sky, looking at the moon and seeing the starships luanch into space, or look at the space stations in the sky and on the moon. Just a lot of fun stuff to do.