After unlocking ctOS Centers you’ll only have a part of the district uncovered. Similar to viewpoints in Assassin’s Creed, ctOS Towers place markers on important locations and point out collectibles and side missions.


  • SMG-11 Weapons (Complete 1 ctOS Tower)
  • Amargosa Turbo Vehicle (Complete 5 ctOS Towers)
  • Clear Signals Trophy/Achievement (Complete all ctOS Towers)
Trophy icon

Clear Signals

Unlock every ctOS Tower.


Guide Information

  • Publisher
  • Platforms
    PC, Wii U, PS3, PS4, 360, XB1
  • Genre
    Action Adventure
  • Guide Release
    4 August 2014
  • Last Updated
    10 December 2020
  • Guide Author
    Stephanie Barnes

Share this free guide:

Take on the role of Aiden Pearce, a hacker with a mission of revenge. Explore Chicago in this open-world game as you hack into computers and cameras to gain information or take an aggressive approach to missions, ultimately, the choice is yours.

The guide includes:

  • 100% Mission Completion;
  • All Main Missions;
  • All Side Quests, Investigations, and Collectibles;
  • Video coverage for most of the additional content.

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