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