And that's if you catch them on a good day. Evidently, the dystopian nature of the randomly structured city-set in an alternate late 20th century-has left folk rather grumpy and untrusting. Indeed, talking to the locals and asking about their personal lives, or anything unusual they might have seen, tends to result in brusque dismissal.

Locating fingerprints, of course, can be crucial to your case, although it's not easy to get citizens to offer up their digits to aid with identification. With enough picks and alone time you can get through any door, while the codebreaker will brute force a path through electronic keypads. The tools of your trade, meanwhile-not only a keen eye, but also lockpicks, a code breaker and a fingerprint scanner-will help you access all that juicy evidence. Any clues, objects or identities you find appear as a little card that can be arranged on an imaginary corkboard, even linked together with bits of coloured string. Pinning all your efforts together, quite literally, is your virtual investigation board. The task is made easier by some nifty tech in your possession.

Aq shadow of doubt