"Single use CTOS Scan to detect and tag non-player enemies."
―In-game description.

CTOS Scan is a craftable item in Watch Dogs.


It is a portable scan that detects enemies in the map, not counting other players. The tool requires a system key and electronic parts to be crafted.


Ctosscan hud

ctOS Scan in use.

It appears as a man emitting circular signals in the weapon wheel. Once activated, a signal will be emitted by Aiden (it can be seen in the minimap) and any enemy NPC caught by the signal will be visible in the minimap.

It is useful for gang hideouts, as it allows a quick accounting of the enemy forces.

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