It’s Not About The End is a short walking simulator featuring eleven Steam achievements, and this guide will explain how to obtain 100% achievements, let’s check it out.
Achievements Guide
Items and memories can only be collected / triggered after finding the car in the garage:
Car Parts

Find all 4 Spark Plugs

Install all car partsSpark Plug [1/4] – in the restaurant:
Spark Plug [2/4] and Wheel – in front of the gas station:
Electric Module – in a shed behind the lake, eastward of the garage:
Battery – on a chair at the soccer field behind the restaurant:
Spark Plug [3/4] – at the radio tower:
Gasoline – in the corn field in front of the radio tower:
Spark Plug [4/4] – on a well, behind the farm house on the other side of the road:
Secrets

Find the farm house memoryEnter the farm house:

Wooden Toy
Find the Wooden Toy
Read the letter inside the farm house and find the wooden horse outside:
First Kiss
Find the place of yout first kiss
The place is on a hill not far from the location where you found the wooden horse:
Set the mood
Change the main music
Interact with the radio next to the gas station:
Good Coffee, Good Times
Find the place where you used to drink your coffee
Sit down at the bench in front of the big “Sacramento Gas Station” street sign:
Never Forget
Find the letter
The letter is in a box behind the soccer field:
Wayward Son
Enter the car by the passenger side
After repairing the car, enter it from the passenger side. This may take a few tries:
Endings

Finish the gameRepair the car and drive towards the sunset.
What a view
Find the secret ending
While driving, look for a small path on the right. Stop, get off the car and follow the path: