Here is the full list of all 24 Wheels of Aurelia achievements.
Complete the game for the first time
Unlock Ending B
Unlock Ending C
Unlock Ending D
Finish the game in under 15 minutes
Unlock Ending A
Unlock Ending E
Unlock Ending F
Unlock Ending G
Unlock Ending H
Unlock Ending I
Unlock Ending J
Unlock Ending K
Unlock Ending L
Unlock Ending M
Unlock Ending N
Unlock Ending O
Unlock Ending P
Unlock 10 endings
Unlock all cars
Pick up all hitchhickers
Unlock all endings
Let it go!
Play indifferent