8 0 2Basically a story-related achievement for Spartan Ops mode. Complete the following missions on any difficulty:-6-1: Escape Plan-6-2: All the Secrets-6-3: Need to Know-6-4: Search and Destroy-6-5: SwitchbackShowing both comments. Leave a comment. And yet 2019, Achievement still bug, this is no unlock for me btw, pass every ch. Already.Posted by D2C KittyFluffy on 25 Aug 19 at 15:40 I didn't get this to pop either, I played them all on Legendary coop with me hosting the game. I have credit on all of the missions for Legendary coop, and still no achievement. 9/1/2020Posted by xXMalakian XVII on 02 Sep 20 at 02:55 Leave a comment