Far Cry 3 is an open world, action-adventure first-person shooter video game developed mainly by Ubisoft Montreal in conjunction with Ubisoft Massive, Ubisoft Red Storm, Ubisoft Shanghai, and Ubisoft Reflections, published by Ubisoft for Microsoft Windows, Xbox 360, and PlayStation 3. Buy Far Cry 3 (PC) CD Key from cdkeys.com. Instant downloads. Fantastic prices. Open the uPlay client, and press the key icon on the top right of the window to open the “Activate a key” option.