Here is the full list of all 46 The Dream Machine: Chapter 1 & 2 achievements.
Complete the sixth chapter
Complete the game
Find all map pieces
Find a secret glade
Restore the pumpkin kingdom
Solve the gramophone puzzle prematurely
Try to escape your fate
Circumnavigate yourself
Purge the mover's dream
Return the locket
Appoint a new king
Continue his work
Harass your neighbour, a lot
Be a peeping tom
Flush every toilet
Save the bartender from dying
Complete the fifth chapter
Kill Martin's and Selma's tentacles
Get a new job
Solve the maze puzzle
Listen to the teddy bear's song
Make the witch's potion
Complete the fourth chapter
Wake up again
Kill Edie's tentacle
Disrupt the tea party
Complete the third chapter
Kill Alicia's tentacle
Meet an old friend
Steal from the dead
Make sleeping powder
Get promoted to Command
Complete the blackmail letter
Commit arson
Complete the second chapter
Complete the tasks
Kill Mr Morton's tentacle
Access Mr Morton's secret room
Enter your first dream
Complete the first chapter
Solve the floor board puzzle
Listen to your wife's dream
Explore the estate
Escape the island