You can activate them by going to the Cheats section in the “Abstergo Challenges Menu”. Location: Ile à Vache Coordinates: 839, 137Īfter you complete the listed challenges, you unlock the corresponding cheat codes.Location: Kingston Coordinates: 623, 172.Location: Grand Cayman Coordinates: 392, 325.Location: Corozal Coordinates: 37, 266.Location: Arroyos Coordinates: 192, 565.Location: Crooked Island Coordinates: 808, 545.Location: Salt Key Bank Coordinates: 496, 629.