Halo: Campaign Evolved: Mix Master Achievement Stuck on 92% (Fix)

The problem

I’ve completed the remix campaign 2x deathless, but still unable to unlock achievements. Anyone experiencing this issue ?

What players suggest

wait really...i always jump all the way down just tried doing it without jumping all the way down but still nothing

wait really...i always jump all the way down just tried doing it without jumping all the way down but still nothing

this one's driving me crazy. I have every achievement except this one and i checked the progress as i went for all but like 3 of the levels, and of course somewhere in those three, one decided not to register, and ive replayed them all and still nothing, still stuck at 92%. Save and Quit also worked for me on every mission I tried it on, but i didn't even use that strategy until after the one…

I'm sorry for the very late reply, but this 92% thing also bothered me. Until I tested something: launch Assault on the Control Room, can be on easy and with Bandana for an easier time. When you get to the last bridge, the one in front of the control room, do not steal a Banshee as Cortana suggests, nor do you drop down the incline (it's better to actually destroy them). Keep going forward and…