20 Best Open-World Video Games Of All Time

15. State Of Decay

Yes, Dead Rising does mass slaughter better than the rest of 'em, but for me that's all it does. Instead, State of Decay wants you to care about amassing a ton of survivors, about the risk you should take in a zombie apocalypse to bring in fresh supplies. Literally, it wants you to really care about surviving, and that's what makes Undead Labs' game so endlessly playable.

You'll scout potential locations for raids, prep your weapons, craft new ones, frantically make a thousand getaways from a thousand different 'missions gone sour' - and that's all within the first few hours.

State of Decay is hands-down the best zombie survival game and a cracking open-world title all in one.