2. Watch Dogs

Ubisoft's "invade everyone's privacy without them knowing" high concept gets better every time we see it. The new live demo at the PlayStation 4 reveal showed the sheer level of control you can have over the open-world city with just the press of a smartphone button. Halt runaway trains so you can leap aboard, trigger security cameras to surveil at will and hack a bloke's bank account while he's stood in front of you. Already announced for PS3, Xbox 360 and rumoured for Wii U, the PS4 version will presumably be prettier and, erm, faster to load.

Trailer: Watch Dogs

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