

There you’ll find a collectibles counter for each mission, which shows exactly how many you’ve done in total. Tip: You can get to any Optional Objectives you’re missing at any time via the Mission Select.

You can take up the Optional Objectives by visiting the indicated map location(s) and not finishing your mission until after you get it done, and upon completion an on-screen message will appear on your right saying you were successful (at killing, disabling, etc.). How to find missing Optional Objectives?: In-game the Optional Objectives will appear on each mission’s map as optional goals for you to attempt during the story campaign (look at the list above for a page with a general walkthrough).
