Here is the full list of all 27 Macrotis: A Mother's Journey achievements.
Cross the shaky bridge
Start Chapter 1
Collect all books in the game
Collect all books in Chapter 1
Collect all books in Chapter 2
Collect all books in Chapter 3
Collect all books in Chapter 4
Finish the game
Get across the river
Solve the hardest puzzle in Chapter 1
Return with the turtle and be done with the journey
Start Chapter 2
Display your first magical ability
Learn the fate of the reak animals called Bilby (Macrotis)
Survive the boulder event
Get across the second river
Solve the hardest puzzle in Chapter 2
Start Chapter 3
Survive the unstoppable compactor
Survive the rising waters
Solve the pool problem
Solve the first puzzle of Chapter 3 with only a single box
Why would you even go there?
Fall into lava
Start Chapter 4
Siphon power from all crystals
Find the hidden passage