Watch Dogs (stylized as WATCH_DOGS) is an open-world action-adventure series from Ubisoft that blends third-person shooting, driving, and stealth with a core focus on hacking. Set in fictionalized, tech-saturated cities, the games explore themes of surveillance, privacy, and corporate corruption.The series is built around ctOS (Central Operating System), a fictional network that connects all of a city's infrastructure and citizen data into a single system, which players can manipulate using their in-game smartphones.