This is the last achievement you will get. It is NOT NECESSARILY glitched and it will unlock, if you have done everything else before. There are reports of it being glitched though - so be aware of it. It involves a last short cutscene where you monologue in front of the old barn.
You have to do the following things:
- Finish the main story.
- View all the photos ("70 out of 100" achievement)
- Read all of Ben's stories ("By Benji" achievement)
- Listen to all the radio tracks in the main menu ("On the Radio" achievement)
- Finish the epilogue (once is enough, but the right one): Pleasing mom and getting the "Until Next Time" achievement. (thanks to
AP E JC for pointing out that you can trigger the cutscene with this epilogue)
You
DO NOT have to get the "20 Miles Out" achievement for this one. (thanks to
Calex dEUS for the tip)
What I do know, is that you
do not need the "cutscene" with the car if you complete the main story and don't choose the epilogue right away. I didn't see this scene and couldn't trigger it either.
Important:The cutscene (for getting the achievement) will only start
after you finished the epilogue. So if you have done everything and you didn't see the cutscene, just start up another epilogue, choose the fastest way (taking the bus right away and not calling mom) and the cutscene will trigger afterwards, granting you the achievement after you played through it.