Call of Duty Black OPS 3: guide to find ALL collectibles [Collector]
The hunt for collectibles begins in Call of Duty Black OPS III
Complete Guide to COD Black OPS III Collectibles, "Collector" Trophy
In the Call of Duty Black OPS 3 single-player campaign there are 56 collectibles in total that must be collected to unlock the "Collector" trophy / achievement.
these they have the shape of different objects (such as weapons, helmets, flowers, robotic parts, etc.) and when you are close enough they will be marked with a white icon.
If you are aiming to collect them all to unlock the result, know that in the chapter selection menu, for each mission, how many you have already collected is highlighted. The video below shows the exact position of all the collectibles in Call of Duty Black Ops 3, remember that you can replay missions at any time to retrieve the ones you haven't caught yet!