Watch Dogs: all 16 QR code locations, hidden messages, gangster

Now we're shown you how to complete the single-player campaign, here's the locations of all the QR codes

QR Codes - Watch Dogs Guide - IGN

All 16 Watch Dogs QR Codes and Bonus Mission - PS4Trophies

QR Codes - Watch Dogs Guide - IGN

Gang codes: The Tic-Tac-Toe cipher

Watch Dogs - All 16 QR Code Locations, Hidden Messages, Read-Only

Watch Dogs - All 16 QR Code Locations, Hidden Messages, Read Only

Watch Dogs Trailer Hidden Secret - HeyUGuys

Watch Dogs - QR Codes, hidden messages, Gangstar Assault Rifle

Watch Dogs - All QR Code Collectibles - Locations & Solutions

Watch Dogs - All 16 QR Code Locations, Hidden Messages, Read-Only