Before and After Achievement

Games Halo: The Master Chief Collection
1

Before and After
Halo CE: Complete every level of the game having seen it in both classic and remastered mode.

So, I missed one level seeing it in it’s original form. Is there any way to figure out which one it was without having to play the whole campaign again?

Thanks

2

2 possibilities you can a) see in the career tab of the menu and click the achievement which might send you to the right lobby or b) go through every mission and press the back button I did this when I missed the level the library and as soon as I hit the back button the achievement showed up thankfully I didn’t have to play the whole mission