Here is the full list of all 21 The Rivers of Alice - there are Extended Version achievements.
Puzzle superadoCompleted melody flowers
Defeat Arachne on the loom
Get out of the maze
Create a shell necklace
Find the truth in the mirrors
Solve the puzzle of the yellow brick
Make your way through the vultures
Cross balancing to the giant.
Sort the stone wheels
Complete the challenge of the stars
Fix the electrical panel
Diverts the steam store
Turn on the light in the room
Make the right call
Play the game that's on the computer
Funky dance inside the Atalaya
Open the lock
Beat the game once
Finish the game for the second time
Finish the tutorial
Capture the four dragonflies