'The End of Everything' not popping

[Milmoko]

So the achievement for completing the game isn't popping even after the credits roll, I hadn't noticed first time round but now I'm just mopping up trophies it's the only one missing.
Just replayed final chapter and watched credits, nothing :(

Am I missing something?

[Milmoko]

Originally posted by Riedy:

Maybe you missed an optional story? Compare your family tree to the complete one:

https://nightlygamingbinge.com/wp-content/uploads/2018/04/What-Remains-of-Edith-Finch_FamilyTree.jpg

It's been a while since I played, but I think Milton is probably the easiest overlook.

Cheers! yeah some how thats the one I missed